87-787 25 mm Dia. Hard Coated OD 4.0 25nm Bandpass Filter; t=3.5 mm 425nm

The 87-787 is a Bandpass Filter with a 25 mm diameter and a hard-coated OD 4.0, sourced from the reputable vendor, Edmund Optics. This filter is specifically designed for use with a central wavelength (CWL) of 425nm, making it ideal for applications that require precise wavelength selection.

The filter's geometry is defined by a diameter of 25mm and a thickness of 3.5mm, providing a robust and compact solution for various optical systems. The cut-on wavelength is 412.5nm, and the cut-off wavelength is 437.5nm, ensuring a narrow bandwidth of 25nm. This characteristic is crucial in applications where stray light or out-of-band radiation needs to be minimized.

The 87-787 filter features a Thin Lens shape, which is advantageous in maintaining the overall optical path length and minimizing aberrations. The front and back surfaces of the filter are coated with the EDM 87-775 coating, enhancing its durability and performance in demanding environments.

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