The 46-691 is a rectangular beam splitter, measuring 18 x 30 mm, with a thickness of 2mm. This beam splitter is sourced from the reputable vendor, Edmund Optics, and is designed for use in the 400-700nm wavelength range.
The beam splitter is a thin type, featuring a 75:25 (R:T) split ratio, meaning it reflects 75% of the incident light and transmits 25%. This specific model is coated with the EDM 46-666 coating on the front surface, enhancing its performance within its designated wavelength range.
The material ID of this beam splitter is soda lime ru clear, a common choice for optical components due to its high transparency and durability. The beam splitter's physical data indicates a reflection of 0.75 and a transmission of 0.25, aligning with its stated split ratio.
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