Bandpass filters are optical elements that are designed to transmit a specific spectral band with high efficiency
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Due to its selective absorption in visible wavelength range, color glass filter will exhibit various color depending the glass type. Color glass filter provides an economical filter for various applications
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Longpass filters are designed to have a sharp transition from reflection to transmission, making them ideal for various applications.
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Neutral density (ND) filters are used to attenuate incident radiation without altering its spectral distribution. The neutral density value of an ND filter is related to the transmittance by:
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Shortpass filters are designed to have a very sharp transition from transmission to reflection
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