Optical Filters for Raman Applications

Chroma Technology supplies key components for Raman spectroscopy

A set of interference optics used in Raman spectroscopy must perform cohesively as a unit to successfully detect the desired Raman signal above the background noise level. Chroma’s expertise in optical interference design, coupled with our highly precise thin-film deposition technology, results in the most advanced optics available.

illustration depicting rayleigh scatteringRaman scatter is a weak signal requiring high-performance optics with steeper edges and broader, flatter transmission bands to isolate the signal of interest. Chroma Raman filters are the ideal solution for your project when you need higher transmission values, fast transitions, and superior blocking to keep out unwanted photons.

Chroma’s Raman optics provide extremely steep transition slopes from transmission to blocking and/or reflection, highly precise passbands, and extremely high out-of-band blocking to provide the highest obtainable Signal-to-Noise ratios (SNR).

Our filter sets include a narrow-band laser clean-up filter matched with a laser dichroic mirror paired to a longpass barrier/emission filter, each with sheer spectral slopes. Together, these optics allow for the detection of even the faintest Raman signals.

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Chroma's Raman Filters in Use

You’ll find Chroma’s sputter-coated optics in labs throughout academic, medical, pharmaceutical, and biotech institutions—and used by researchers exploring revolutionary scientific advancements, developing life-changing medical treatments, and ensuring the safety and security of lives across the globe.

Beyond Standard Offerings

Our catalog of standard Raman filters and sets are designed for the most common Raman wavelengths. Our expertise in optical filter technology is matched by a deep understanding of Raman applications. 

Whether it's enhancing image quality for more precise observations in standard applications or exploring the frontiers of specialized techniques, Chroma is at the forefront, ensuring that your work is supported by the best optical technology available.

Explore the full range of our manufacturing capabilities, then contact our engineering team to help you design the perfect optical filter for your system.

Engineered for Endurance

Our commitment to durability is unwavering. Each Chroma optic is crafted to endure the rigors of intensive laboratory use. 

Chroma optics are made to adhere to stringent industry environmental and durability standards, including ISO and MIL specifications for abrasion resistance, adhesion strength, and resilience against extreme temperatures, humidity, salt fog, and laser damage thresholds.

An Unmatched Warranty - Your Assurance of Quality

And we don't just promise durability; we guarantee it. 

Chroma's industry-leading warranty is our vote of confidence in the longevity of our products. Our warranty is a testament to the trust we have in our filters' ability to last through years of rigorous use. Learn more about our guarantee.

Partnering for Your Success: Our Engineering Support

Understanding that every research need is distinct, our experienced engineers work alongside you to offer customized solutions. 

Whether it's optimizing costs, enhancing system performance, or sharing expert knowledge, we're here to ensure your system excels in every aspect.

Our focus is not just to provide answers, but to discover the right solutions for your specific needs. From the initial consultation to ongoing support, we're dedicated to assisting you at every step, ensuring your Chroma filters and systems deliver optimal performance for years to come.

Want to Learn More?

Learn more about how Chroma filters provide a competitive advantage for Raman applications including:

  • Biomedical Imaging

  • Chemical Analysis

  • Environmental Monitoring

  • Food and Beverage Industry

  • Material Analysis

  • Nanotechnology

  • Pharmaceuticals

  • Polymer Science

  • Semiconductor Industry

And these applications are just the tip of the iceberg. Our filters are integral to a wide range of advanced techniques, each with its unique challenges and requirements that Chroma is ready to meet or exceed.

Why Chroma Stands Out

We understand the importance of timely delivery in your projects, and our state-of-the-art manufacturing facilities ensure your parts reach you exactly when you need them most, eliminating any concerns about delays or impact to your project timeline.

Our dedicated team, backed by years of expertise, works tirelessly to ensure that every component we deliver is not only of the highest quality but also arrives precisely on schedule. 

Trust in Chroma to be a reliable partner when every second counts and excellence is non-negotiable.

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Commitment to Excellence: Our Industry Certifications

Chroma Technology is proud to be recognized with industry certifications that highlight our commitment to excellence in all aspects of our operations. 

As an ISO 9001-certified company, we are dedicated to maintaining the highest standards in quality management, ensuring that our products and services consistently meet customer and regulatory requirements. 

As a certified B Corporation, we are proud to be part of a global movement of companies using business as a force for good. Our status as a B Corp affirms our commitment to meeting high standards for social and environmental performance, accountability, and transparency.

Certifications

Custom Solutions for Unique Challenges

We understand that each application is unique. That's why we offer custom design services to create optical filters that meet your specific project needs. 

Whether you have specific spectral requirements or custom sizing needs, reach out with your requirements to see how you can work with Chroma to create the optimal solution for your optical system today.

Custom Solutions

Unmatched Customer Support

Committed to providing unparalleled support, Chroma takes customer service to the next level. We pride ourselves on building lasting relationships with our clients and offer personalized support tailored to your specific needs and projects. 

We are always ready to provide expert advice, from helping you select the right optical filter to troubleshooting any challenges you may face. We’re here to be your partner, from pre-design to post-purchase.

Support

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