Custom Wavelength Selectors

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Custom Wavelength SelectorsA new series of Custom Wavelength Selectors (CWS) from Spectrolight Inc. offers a cost-effective, off-the-shelf option for those needing narrowband transmission filters with custom bandwidth and center wavelength.

Specifically, the CWS is a compact optomechanical device with a circular aperture up to 10 mm, whose center wavelength can be set anywhere in the range of 350 to 900 nm, and whose bandwidth can be independently fixed from 1.5 to ∼20 nm. The CWS also features >80 percent in-band transmission efficiency and 106 out of band extinction, making these devices ideal for demanding uses in research and instrumentation.

Typical applications include spectral imaging, machine vision, inspection, cell counting, and fluorescence microscopy, for both excitation and image filtering.

Published: April 2018
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