Your Go-To Guide for Optical Filters

Optical filters may be just one component of a system, but their impact on performance is significant. Understanding how to select and use filters effectively can make all the difference in applications such as fluorescence microscopy, spectroscopy, and imaging.

That’s where Chroma’s Handbook of Optical Filters for Fluorescence Microscopy comes in. This oft-cited resource offers a complete guide to the science, design, and application of optical filters.

From practical advice on improving signal-to-noise ratios to insights into filter set design for advanced imaging systems, it’s packed with the knowledge you need.

Want to know more?

To gain a solid understanding of optical filters, download our Handbook of Optical Filters and get a reference you can trust in your work.

Get Your Free Copy Now

🗓️ Upcoming Photonics Trade Shows

Biophysical Society

February 15th - February 19th, 2025

Los Angeles, California, USA

The annual Biophysical Society meeting is a great opportunity to connect with others in the field as well as attend symposia and workshops to gain a glimpse into the future of biophysics research.

We'll be there in booth # 409 ready to show you how we can help further your research with optical filters designed specifically for your application.

Asia Photonics Expo

February 26th - February 28th, 2025

Singapore

Heading to the Asia Photonics Expo? Stop by booth C201 to connect with our team and learn how Chroma’s optical filters can optimize your photonics systems with superior performance and reliability.

Meeting of the German Neuroscience Society

March 26th - March 29th, 2025

Göttingen, Germany

Join us at the Meeting of the German Neuroscience Society, where researchers from around the world gather to explore the latest advancements in neuroscience.

Visit us to learn how our high-performance optical filters can enhance your imaging and research applications.

Photonics West 2025 Recap

Image: Chroma and 89 North's booth at Photonics West 2025

This year’s Photonics West was a memorable one for Chroma and 89 North! Our booth welcomed researchers, engineers, and innovators from across the photonics industry, and we had the chance to share insights on how optical filters are advancing applications in microscopy, spectroscopy, and imaging.

A highlight of the event was seeing Ryan Sauer honored as one of Electro Optics Photonics 100, recognizing his contributions to 89 North's LDI Gen 2. Congratulations Ryan, on this well-deserved achievement!

Image: 89 North's Brendan Gallivan accepting on behalf of Ryan Sauer.

We also enjoyed connecting with customers and partners, discussing exciting projects, and learning more about the latest trends shaping the industry. Thank you to everyone who stopped by, it was an inspiring week!

Didn't make it to San Francisco this year, but still want to chat? Get in touch, we're happy to discuss your application or project and answer any questions you might have.

Optical Filters for Astronomy Applications

From capturing breathtaking nebulae to analyzing distant starlight, optical filters play a critical role in advancing modern astronomy. Chroma’s optical filters are designed to deliver exceptional precision and durability, meeting the demanding needs of astronomers and astrophotographers alike.

Starry Starry Night: LRGB Version of B33 Horsehead Nebula with stars

Image credit: Terry Hancock

Why choose Chroma’s filters for astronomy applications?

Precision Sputtered Coatings: Durable, hard coatings ensure long-lasting spectral accuracy, even in harsh conditions like humidity changes and extreme temperature fluxes.
Anti-Reflection Technology: Primary filter coatings on the front surface and anti-reflection coatings on the rear surface prevent ghosting and maximize light transmission for sharper images.
Spectral Performance You Can Count On: Ideal for detecting ionized sulfur, oxygen, H-alpha, H-beta, and other key spectral lines, our filters offer the clarity and reliability needed for detailed spectral imaging.

With Chroma’s filters, you’ll see the universe in a whole new light.

Learn More About Chroma's Astronomy Filters

Chroma Newsletter - February 2025

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