Dichroic Filters

Dichroic Filters Market Outlook

The global dichroic filters market is projected to reach approximately USD 1.5 billion by 2035, with a compound annual growth rate (CAGR) of around 7.8% during the forecast period from 2025 to 2035. The increasing demand for high-performance optical filters in various applications, including medical imaging, fluorescence microscopy, and spectroscopy, is driving significant growth in this market. The rising advancements in optical technologies and the growing adoption of dichroic filters in the aerospace and defense sectors are further bolstering market expansion. Furthermore, as industries seek to enhance imaging quality and accuracy, the integration of dichroic filters into innovative applications is expected to create substantial opportunities for growth. The accelerating trend towards miniaturization of optical systems is also propelling the need for more precise and compact filter solutions, thereby augmenting market dynamics.

Growth Factor of the Market

The growth of the dichroic filters market can be attributed to several key factors that are reshaping the landscape of optical technologies. Firstly, the increasing investment in research and development within the fields of medical diagnostics and imaging is significantly driving demand for high-quality dichroic filters, enabling clearer and more precise imaging results. Additionally, the surge in applications in life sciences and biotechnology is enhancing the adoption of these filters, as they are essential for various fluorescence techniques that facilitate biological research. Another contributing aspect is the growing trend towards advanced photonics and optoelectronics, where dichroic filters play a critical role in managing light propagation and enhancing system performance. Moreover, the rising demand for high-end consumer electronics and the integration of imaging technologies in smartphones and tablets further contribute to market growth. The expansion of the aerospace and defense sectors, coupled with the increasing miniaturization of optical components, is also a vital growth factor, paving the way for innovative applications of dichroic filters.

Key Highlights of the Market

• The market is expected to grow at a robust CAGR of 7.8% from 2025 to 2035.
• Increasing applications in medical imaging and biotechnology are driving demand.
• Advancements in optical technologies are enhancing performance and efficiency.
• Rising adoption in aerospace and defense sectors is expanding market opportunities.
• The trend towards miniaturization of optical systems is creating a need for compact filter solutions.

By Product Type

Linear Dichroic Filters:

Linear dichroic filters are specifically designed to transmit light in a specific polarization while reflecting light of the orthogonal polarization. This characteristic makes them essential in applications where polarized light is crucial, such as fluorescence microscopy and various imaging techniques. Their ability to reduce glare and enhance contrast has made them integral in high-precision optical systems. Linear dichroic filters can be found in multiple industrial and scientific applications, ensuring they remain a prominent choice among researchers and manufacturers alike. Their compact design and ease of integration further facilitate their adoption across a range of optical devices, boosting their market share in the dichroic filters segment.

Circular Dichroic Filters:

Circular dichroic filters are designed to selectively transmit circularly polarized light while reflecting the opposite polarization. These filters are particularly valued in applications that involve circularly polarized illumination, such as certain types of microscopy and laser systems. The unique properties of circular dichroic filters allow for improved signal-to-noise ratios in imaging applications, making them essential in fields like life sciences and materials research. Their ability to enhance certain spectral features also contributes to their growing adoption in diagnostic imaging and photonics, leading to a steady increase in demand within the dichroic filters market.

Spectral Dichroic Filters:

Spectral dichroic filters are engineered to selectively transmit specific wavelength ranges while reflecting others, making them crucial in applications such as spectroscopy and advanced imaging systems. By enabling precise wavelength selection, these filters help improve the clarity and accuracy of the captured images or spectra. Their significance in analytical chemistry and environmental monitoring is particularly noteworthy, as they enhance the detection capabilities of various instruments. The versatility and efficiency of spectral dichroic filters in isolating desired spectral bands drive their continuous demand across scientific research and industrial processes.

Multi-band Dichroic Filters:

Multi-band dichroic filters are designed to transmit multiple wavelength bands simultaneously while reflecting unwanted wavelengths. This capability makes them indispensable in applications that require simultaneous imaging across several spectral regions, such as multi-color fluorescence microscopy and multi-spectral imaging. The ability to integrate multiple filter bands into a single optical path significantly enhances imaging efficiency and simplifies experimental setups. Consequently, the demand for multi-band dichroic filters is on the rise as researchers and manufacturers seek to improve workflow and data acquisition in various fields, including biotechnology and materials science.

Edge Dichroic Filters:

Edge dichroic filters are specifically tailored to transmit light above or below a certain wavelength while reflecting the rest. These filters are widely used in applications that require precise control over light wavelengths, such as in optical systems for telecommunications or laser applications. Their unique design allows for efficient separation of spectral components, making them ideal for systems that rely on wavelength division multiplexing. As the demand for high-speed communication and advanced optical systems increases, edge dichroic filters are becoming increasingly important, contributing to their growth in the dichroic filter market.

By Application

Wavelength Selection:

Wavelength selection is one of the primary applications of dichroic filters, as they are integral in isolating specific wavelengths of light for various optical systems. This application is critical in fields such as spectroscopy, where precise wavelength selection enhances the accuracy of measurements. Dichroic filters allow scientists and researchers to focus on specific spectral ranges, facilitating deeper insights into material properties and interactions. The increasing demand for accurate optical measurements in scientific research and industrial applications is driving growth in this segment. Furthermore, as new technologies evolve, the need for advanced wavelength selection tools is becoming more pronounced, further boosting the adoption of dichroic filters.

Fluorescence Microscopy:

Dichroic filters play a pivotal role in fluorescence microscopy, where they are used to separate excitation and emission wavelengths. This capability is essential for maximizing the efficiency of fluorescence detection and ensuring high-quality imaging. As advancements in microscopy techniques continue to emerge, the demand for high-performance dichroic filters is expected to increase. These filters enable researchers to visualize biological samples with remarkable clarity, making them indispensable in fields like cellular biology and pathology. The growing emphasis on innovative imaging techniques and the demand for precise optical components in fluorescence systems are key factors propelling the market for dichroic filters in this application.

Spectroscopy:

The use of dichroic filters in spectroscopy is vital for enhancing the signal quality and accuracy of spectral measurements. By selectively transmitting specific wavelengths, these filters improve the spectral resolution and reduce background noise, making them invaluable in analytical chemistry and environmental monitoring. The increasing focus on high-precision measurements and data quality in various scientific disciplines is driving the demand for dichroic filters within the spectroscopy application segment. As industries and researchers seek to adopt more sensitive and accurate spectroscopic techniques, the role of dichroic filters becomes increasingly critical, ensuring sustained growth in this market segment.

Medical Imaging:

In the medical imaging sector, dichroic filters are utilized to enhance imaging techniques such as fluorescence imaging and endoscopy. Their ability to isolate specific wavelengths is crucial for improving image contrast and resolution, leading to more accurate diagnoses and better patient outcomes. As the healthcare industry continues to evolve with advancements in imaging technologies, the demand for specialized dichroic filters in medical applications is anticipated to rise. Additionally, the growing emphasis on research and development in diagnostic tools is further propelling the need for high-quality optical components, including dichroic filters, in medical imaging processes.

Astronomy:

Dichroic filters have significant applications in astronomy, where they are used to isolate light from celestial objects while blocking unwanted wavelengths. This capability is essential in enhancing the clarity of astronomical observations and enabling scientists to study distant stars and galaxies more effectively. As interest in space exploration and astronomical research grows, the demand for specialized optical equipment, including dichroic filters, is expected to increase. The unique challenges posed by astronomical imaging require advanced filtering techniques, and dichroic filters play a crucial role in addressing these challenges, fueling market growth in this segment.

By Distribution Channel

Online Stores:

The rise of e-commerce has significantly impacted the distribution of dichroic filters, with online stores becoming a prominent channel for consumers and businesses alike. The convenience of purchasing optical components online, along with the wide variety of options available, drives a significant portion of market activity. Additionally, online platforms often provide detailed product information, customer reviews, and competitive pricing, making it easier for buyers to make informed decisions. As more consumers and research institutions turn to online shopping for specialized components, the share of online stores in the dichroic filters market is expected to grow, reflecting broader trends in retail.

Specialty Stores:

Specialty stores that focus on optics and photonics offer a curated selection of dichroic filters, catering to niche markets and specific applications. These stores often provide expert advice and support, assisting customers in selecting the appropriate filters for their needs. The expertise available at specialty stores can enhance customer satisfaction and foster loyalty, contributing to their continued relevance in the market. As the demand for specialized optical components grows, specialty stores are likely to maintain a significant presence, appealing to professionals and researchers who prioritize quality and performance.

OEMs:

Original Equipment Manufacturers (OEMs) play a crucial role in the distribution of dichroic filters by integrating them into various optical systems and devices. The collaboration between manufacturers and OEMs ensures that high-quality dichroic filters are readily available for applications in diverse industries, including telecommunications, healthcare, and scientific research. As the demand for advanced optical solutions increases, OEMs are likely to become key players in driving the growth of the dichroic filters market, leveraging their established relationships with customers and industry expertise to provide tailored solutions.

Distributors:

Distributors serve an essential function in the dichroic filters market by providing a streamlined supply chain for manufacturers and end-users. They facilitate the availability of a wide range of optical components, ensuring that customers can access the products they need promptly. Distributors often maintain inventory to meet demand fluctuations and provide technical support to assist customers in their purchasing decisions. The efficiency and reliability of distributors contribute to the overall stability and growth of the market, making them an integral component of the distribution landscape for dichroic filters.

Direct Sales:

Direct sales involve manufacturers selling dichroic filters straight to end-users, which allows for better communication and tailored solutions. This method enables manufacturers to understand customer needs directly and develop products that meet those specifications. Direct sales also eliminate intermediaries, which can lead to cost savings for both manufacturers and customers. The trend towards customization in optical solutions enhances the appeal of direct sales, as manufacturers can work closely with clients to develop specific filters that suit their unique applications. As customization becomes increasingly important in the optical industry, direct sales channels are expected to grow in significance.

By Material Type

Glass:

Glass is one of the most common materials used in the production of dichroic filters due to its excellent optical properties and durability. Glass dichroic filters can be manufactured to provide high precision and stability over a wide range of temperatures and environmental conditions. Their resistance to scratching and chemical corrosion makes them suitable for various applications, including medical imaging and spectroscopy. The versatility of glass as a substrate enables the design of filters with diverse optical characteristics, leading to their sustained demand across multiple sectors. As the market continues to expand, glass remains a foundational material for dichroic filters, supporting their prevalence in the industry.

Plastic:

Plastic dichroic filters offer a lightweight and cost-effective alternative to glass filters, making them appealing for applications where weight and budget constraints are critical. The flexibility of plastic allows for easier manufacturing and customization, enabling the production of filters in various shapes and sizes. While plastic filters may not have the same durability as glass, advancements in materials technology are improving their performance and longevity. The increasing use of lightweight optical components in consumer electronics and portable devices is driving the growth of plastic dichroic filters, catering to specific market needs.

Quartz:

Quartz is a high-quality material used in the production of dichroic filters, especially in applications requiring exceptional optical clarity and performance. Quartz filters are known for their excellent transmission properties and resistance to environmental factors such as temperature and humidity. Their ability to withstand extreme conditions makes them ideal for scientific and industrial applications, including spectroscopy and high-energy laser systems. The demand for precision optical components in high-end applications is driving the growth of quartz dichroic filters, ensuring their continued relevance in the market.

Sapphire:

Sapphire-based dichroic filters are distinguished by their superior hardness and thermal stability, making them suitable for high-performance applications in harsh environments. Their exceptional optical clarity and durability make sapphire filters ideal for use in advanced imaging systems, telecommunications, and aerospace applications. As industries increasingly seek materials that can withstand challenging conditions while providing high transmission efficiency, the demand for sapphire dichroic filters is expected to rise. The unique properties of sapphire contribute to its growing popularity in premium optical applications, driving market growth in this segment.

Polymer:

Polymer dichroic filters offer a lightweight and flexible option for various optical applications, often at a lower cost compared to glass and quartz filters. These filters can be engineered to achieve specific optical properties that cater to various uses, such as in consumer electronics, display technologies, and lighting applications. The ease of manufacturing polymers allows for rapid prototyping and customization, appealing to manufacturers looking for adaptable solutions. As the market for lightweight and versatile optical components expands, polymer dichroic filters are poised for significant growth, driven by their unique advantages.

By Region

The dichroic filters market exhibits regional variations influenced by industrial demand and technological advancements. North America holds a prominent position in the global market, accounting for approximately 35% of the total market share in 2025. The region's robust research and development activities, coupled with the presence of leading optical component manufacturers, contribute to its dominance. Furthermore, the increasing investments in healthcare and biotechnology sectors drive the demand for advanced imaging technologies, further bolstering the market in North America. The region is expected to witness a CAGR of 6.5% over the forecast period, reflecting a sustained interest in high-performance optical solutions.

Europe is another significant region in the dichroic filters market, representing around 30% of the global market share. The region's emphasis on scientific research and technological innovation, especially in the fields of healthcare, telecommunications, and materials science, supports the growth of dichroic filters. Additionally, the presence of established research institutions and universities fosters collaboration and drives demand for specialized optical components. The European market is projected to grow at a CAGR of 7.2% during the forecast period, reflecting the region's commitment to advancing optical technology and supporting research initiatives.

Opportunities

The dichroic filters market presents numerous opportunities driven by technological advancements and expanding applications across various industries. One of the primary opportunities lies in the increasing demand for high-performance optical components in emerging fields such as augmented reality (AR) and virtual reality (VR). As these technologies gain traction in consumer electronics and digital applications, the need for precise light management solutions, including dichroic filters, will significantly grow. Furthermore, the integration of dichroic filters in innovative imaging systems, particularly in the life sciences and medical imaging fields, presents an avenue for growth. The demand for real-time imaging and diagnostics in healthcare underscores the importance of high-quality optical filters, creating a favorable market environment for dichroic filter manufacturers.

Moreover, as environmental concerns continue to rise, there is a growing emphasis on sustainable materials and manufacturing processes. Manufacturers that invest in eco-friendly production methods for dichroic filters will likely gain a competitive advantage in the market. The push for sustainability aligns with global trends towards reducing environmental impact, fostering opportunities for companies that can adapt their product offerings accordingly. Additionally, expanding into emerging markets in Asia Pacific and Latin America, where industrial growth is accelerating, presents new avenues for revenue generation for dichroic filter manufacturers, further expanding the market landscape.

Threats

Despite the promising growth prospects, the dichroic filters market also faces several threats that could impact its trajectory. One significant threat is the increasing competition from alternative optical solutions, such as thin-film filters and other types of optical coatings that may offer comparable performance at lower costs. As manufacturers innovate and develop new technologies, the threat of substitute products could put pressure on the pricing and market share of dichroic filters. Furthermore, rapid technological advancements may lead to shorter product life cycles, requiring manufacturers to continuously invest in research and development to stay competitive and meet evolving customer demands.

Another potential threat is the fluctuations in raw material prices and supply chain disruptions, which can significantly affect the production cost of dichroic filters. As manufacturers rely on specific materials such as glass, quartz, and polymers, any disruption in supply or increase in prices could impact profitability and product availability. Additionally, global economic uncertainties and geopolitical tensions may affect the overall market landscape, leading to potential disruptions in demand and supply. Manufacturers must navigate these challenges strategically to maintain their market position and continue delivering high-quality optical solutions.

Competitor Outlook

• Edmund Optics
• Thorlabs
• Omega Optical
• Semrock (part of Idex Corporation)
• Chroma Technology Corporation
• Newport Corporation
• Esco Optics
• Microscopics
• Laser Components
• Hoya Corporation
• Melles Griot
• OptoSigma Corporation
• LightPath Technologies
• Optical Filters Ltd.
• Fermionics Inc.

The competitive landscape of the dichroic filters market is characterized by the presence of several key players, each striving to enhance their product offerings and capture a larger share of the market. Companies like Edmund Optics and Thorlabs have established themselves as leaders through a combination of innovative product development and strong customer relationships. These firms focus on delivering high-quality optical components that meet the demanding requirements of various applications, ranging from medical imaging to telecommunications. Additionally, the strategies adopted by these companies often involve investing in research and development to stay ahead of technological advancements and address emerging market needs.

Other notable players, such as Semrock and Chroma Technology Corporation, are known for their specialized expertise in dichroic filters and optical coatings. They leverage their in-depth knowledge to create products that cater to niche markets, such as fluorescence microscopy and spectroscopy. This specialization enables them to differentiate their offerings and maintain a competitive edge in the market. Furthermore, many of these companies actively engage in collaborations and partnerships with research institutions and universities to foster innovation and stay abreast of industry trends. This collaborative approach not only enhances their product development capabilities but also strengthens their market position.

LightPath Technologies and Omega Optical are examples of companies that are making strides in the production of advanced optical components, including dichroic filters. These firms emphasize quality control and precision manufacturing processes, ensuring that their products meet the stringent specifications required for high-performance applications. As the demand for customized optical solutions grows, these companies are likely to expand their capabilities and product lines to meet evolving customer requirements. Overall, the competitive landscape of the dichroic filters market is dynamic, with firms continuously adapting to technological advancements and market demands to sustain their growth and ensure long-term success.

• 1 Appendix

  • 1.1 List of Tables
  • 1.2 List of Figures

• 2 Introduction

  • 2.1 Market Definition
  • 2.2 Scope of the Report
  • 2.3 Study Assumptions
  • 2.4 Base Currency & Forecast Periods

• 3 Market Dynamics

  • 3.1 Market Growth Factors
  • 3.2 Economic & Global Events
  • 3.3 Innovation Trends
  • 3.4 Supply Chain Analysis

• 4 Consumer Behavior

  • 4.1 Market Trends
  • 4.2 Pricing Analysis
  • 4.3 Buyer Insights

• 5 Key Player Profiles

  • 5.1 Thorlabs
    • 5.1.1 Business Overview
    • 5.1.2 Products & Services
    • 5.1.3 Financials
    • 5.1.4 Recent Developments
    • 5.1.5 SWOT Analysis
  • 5.2 Esco Optics
    • 5.2.1 Business Overview
    • 5.2.2 Products & Services
    • 5.2.3 Financials
    • 5.2.4 Recent Developments
    • 5.2.5 SWOT Analysis
  • 5.3 Melles Griot
    • 5.3.1 Business Overview
    • 5.3.2 Products & Services
    • 5.3.3 Financials
    • 5.3.4 Recent Developments
    • 5.3.5 SWOT Analysis
  • 5.4 Microscopics
    • 5.4.1 Business Overview
    • 5.4.2 Products & Services
    • 5.4.3 Financials
    • 5.4.4 Recent Developments
    • 5.4.5 SWOT Analysis
  • 5.5 Edmund Optics
    • 5.5.1 Business Overview
    • 5.5.2 Products & Services
    • 5.5.3 Financials
    • 5.5.4 Recent Developments
    • 5.5.5 SWOT Analysis
  • 5.6 Omega Optical
    • 5.6.1 Business Overview
    • 5.6.2 Products & Services
    • 5.6.3 Financials
    • 5.6.4 Recent Developments
    • 5.6.5 SWOT Analysis
  • 5.7 Fermionics Inc.
    • 5.7.1 Business Overview
    • 5.7.2 Products & Services
    • 5.7.3 Financials
    • 5.7.4 Recent Developments
    • 5.7.5 SWOT Analysis
  • 5.8 Hoya Corporation
    • 5.8.1 Business Overview
    • 5.8.2 Products & Services
    • 5.8.3 Financials
    • 5.8.4 Recent Developments
    • 5.8.5 SWOT Analysis
  • 5.9 Laser Components
    • 5.9.1 Business Overview
    • 5.9.2 Products & Services
    • 5.9.3 Financials
    • 5.9.4 Recent Developments
    • 5.9.5 SWOT Analysis
  • 5.10 Newport Corporation
    • 5.10.1 Business Overview
    • 5.10.2 Products & Services
    • 5.10.3 Financials
    • 5.10.4 Recent Developments
    • 5.10.5 SWOT Analysis
  • 5.11 Optical Filters Ltd.
    • 5.11.1 Business Overview
    • 5.11.2 Products & Services
    • 5.11.3 Financials
    • 5.11.4 Recent Developments
    • 5.11.5 SWOT Analysis
  • 5.12 OptoSigma Corporation
    • 5.12.1 Business Overview
    • 5.12.2 Products & Services
    • 5.12.3 Financials
    • 5.12.4 Recent Developments
    • 5.12.5 SWOT Analysis
  • 5.13 LightPath Technologies
    • 5.13.1 Business Overview
    • 5.13.2 Products & Services
    • 5.13.3 Financials
    • 5.13.4 Recent Developments
    • 5.13.5 SWOT Analysis
  • 5.14 Chroma Technology Corporation
    • 5.14.1 Business Overview
    • 5.14.2 Products & Services
    • 5.14.3 Financials
    • 5.14.4 Recent Developments
    • 5.14.5 SWOT Analysis
  • 5.15 Semrock (part of Idex Corporation)
    • 5.15.1 Business Overview
    • 5.15.2 Products & Services
    • 5.15.3 Financials
    • 5.15.4 Recent Developments
    • 5.15.5 SWOT Analysis

• 6 Market Segmentation

  • 6.1 Dichroic Filters Market, By Application
    • 6.1.1 Wavelength Selection
    • 6.1.2 Fluorescence Microscopy
    • 6.1.3 Spectroscopy
    • 6.1.4 Medical Imaging
    • 6.1.5 Astronomy
  • 6.2 Dichroic Filters Market, By Product Type
    • 6.2.1 Linear Dichroic Filters
    • 6.2.2 Circular Dichroic Filters
    • 6.2.3 Spectral Dichroic Filters
    • 6.2.4 Multi-band Dichroic Filters
    • 6.2.5 Edge Dichroic Filters
  • 6.3 Dichroic Filters Market, By Material Type
    • 6.3.1 Glass
    • 6.3.2 Plastic
    • 6.3.3 Quartz
    • 6.3.4 Sapphire
    • 6.3.5 Polymer
  • 6.4 Dichroic Filters Market, By Distribution Channel
    • 6.4.1 Online Stores
    • 6.4.2 Specialty Stores
    • 6.4.3 OEMs
    • 6.4.4 Distributors
    • 6.4.5 Direct Sales

• 7 Competitive Analysis

  • 7.1 Key Player Comparison
  • 7.2 Market Share Analysis
  • 7.3 Investment Trends
  • 7.4 SWOT Analysis

• 8 Research Methodology

  • 8.1 Analysis Design
  • 8.2 Research Phases
  • 8.3 Study Timeline

• 9 Future Market Outlook

  • 9.1 Growth Forecast
  • 9.2 Market Evolution

• 10 Geographical Overview

  • 10.1 Europe - Market Analysis
    • 10.1.1 By Country
      • 10.1.1.1 UK
      • 10.1.1.2 France
      • 10.1.1.3 Germany
      • 10.1.1.4 Spain
      • 10.1.1.5 Italy
  • 10.2 Asia Pacific - Market Analysis
    • 10.2.1 By Country
      • 10.2.1.1 India
      • 10.2.1.2 China
      • 10.2.1.3 Japan
      • 10.2.1.4 South Korea
  • 10.3 Latin America - Market Analysis
    • 10.3.1 By Country
      • 10.3.1.1 Brazil
      • 10.3.1.2 Argentina
      • 10.3.1.3 Mexico
  • 10.4 North America - Market Analysis
    • 10.4.1 By Country
      • 10.4.1.1 USA
      • 10.4.1.2 Canada
  • 10.5 Dichroic Filters Market by Region
  • 10.6 Middle East & Africa - Market Analysis
    • 10.6.1 By Country
      • 10.6.1.1 Middle East
      • 10.6.1.2 Africa

• 11 Global Economic Factors

  • 11.1 Inflation Impact
  • 11.2 Trade Policies

• 12 Technology & Innovation

  • 12.1 Emerging Technologies
  • 12.2 AI & Digital Trends
  • 12.3 Patent Research

• 13 Investment & Market Growth

  • 13.1 Funding Trends
  • 13.2 Future Market Projections

• 14 Market Overview & Key Insights

  • 14.1 Executive Summary
  • 14.2 Key Trends
  • 14.3 Market Challenges
  • 14.4 Regulatory Landscape

Segments Analyzed in the Report

The global Dichroic Filters market is categorized based on

By Product Type

• Linear Dichroic Filters
• Circular Dichroic Filters
• Spectral Dichroic Filters
• Multi-band Dichroic Filters
• Edge Dichroic Filters

By Application

• Wavelength Selection
• Fluorescence Microscopy
• Spectroscopy
• Medical Imaging
• Astronomy

By Distribution Channel

• Online Stores
• Specialty Stores
• OEMs
• Distributors
• Direct Sales

By Material Type

• Glass
• Plastic
• Quartz
• Sapphire
• Polymer

By Region

• North America
• Europe
• Asia Pacific
• Latin America
• Middle East & Africa

Key Players

• Edmund Optics
• Thorlabs
• Omega Optical
• Semrock (part of Idex Corporation)
• Chroma Technology Corporation
• Newport Corporation
• Esco Optics
• Microscopics
• Laser Components
• Hoya Corporation
• Melles Griot
• OptoSigma Corporation
• LightPath Technologies
• Optical Filters Ltd.
• Fermionics Inc.