Based on our patented TwinFilm™ technology, Custom Wavelength Selectors are simple and compact optomechanical devices that are factory set to your exact specifications without the usual time and cost associated with obtaining custom bandpass filter performance. You specify the center wavelength and the bandpass (FWHM) and, in most cases, we prepare and ship these units within 48 hours of receiving your specifications – it really is that fast!

https://www.spectrolightinc.com/shop/product/66

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