900FH90-50S 50x50mm Standard Long Wave Pass Edge Filter, Cut-on 900nm

The 900FH90-50S is a Longpass Filter from Andover Corporation, designed with a standard rectangular shape and thin lens characteristics. This filter, characterized by its catalog number, is a crucial component for applications requiring specific wavelength management.

The filter's primary function is to allow the transmission of light at wavelengths longer than 900nm, while blocking or significantly reducing light at shorter wavelengths. This is achieved through the application of a specialized coating, denoted as 'and 900fh90' on both the front and back surfaces.

The 900FH90-50S boasts a geometry of 50x50mm, with a thickness of 3mm, making it a compact yet robust solution for various optical systems. The physical data indicates a cut-on wavelength of 900nm, signifying that it begins to transmit light at this point in the spectrum.

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