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Jiaxing AOSITE Photonics Technology Co.,Ltd.

Optical Filters

Optical filters are utilized for the selective transmission or rejection of specific wavelengths or wavelength ranges. They find applications in fluorescence microscopy, spectroscopy, clinical chemistry and machine vision inspection across a range of industries including life sciences, imaging, industrial and defense. OST Photonics offers an extensive selection of optical filters including colored glass filters and dielectric coating filters.

Types of Optical Filters

How Do Optical Filters Work?


Optical filters are passive devices that selectively transmit specific wavelengths or sets of wavelengths of light. Absorptive filters consist of coatings made from various organic and inorganic materials, which absorb certain wavelengths while allowing desired ones to pass through.

FAQS about Optical Filters

What Is the Central Wavelength of A Red Filter?

The visible spectrum is divided into distinct wavelength ranges. Blue ranges from 430 to 490 nm, green ranges from 490 to 530 nm, yellow ranges from 530 to 580 nm, orange ranges from 580 to 630 nm and red ranges from 630 to 700 nm.

What Are the Applications of Optical Filters?

Optical filters find extensive applications in various industries and product fields, including spectral analysis, biomedicine, machine vision, fluorescence microscopy, and industrial automation.

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For any inquiries or questions, please feel free to contact us and we will be very haapy to help.
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Head Office: No. 66, 8 Group, Chengbei Village, Yanguan Town, Jiaxing 314411, China;

Hangzhou Branch: Room 1012, Chunhua Bussiness Center, No. 159, Hangbo Street, Shangcheng District, Hangzhou 310009, Zhejiang, China
Head Office: No. 66, 8 Group, Chengbei Village, Yanguan Town, Jiaxing 314411, China;

Hangzhou Branch: Room 1012, Chunhua Bussiness Center, No. 159, Hangbo Street, Shangcheng District, Hangzhou 310009, Zhejiang, China
sales@ostphotonics.com; info@ostphotonics.com +86-0571-86780460