Gradient Output Couplers and Gradient Beamsplitters
The reflectivities of gradient output couplers (GOC) or gradient beamsplitters (GBS) are changeable continuously by shifting a linear gradient filter across the beam. The spectral transmission curve of a filter varies with its position.
LASEROPTIK has developed a set of GOC and GBS, optimised for CW or pulse lasers, consisting of gradient edge filters and coated on rectangular substrates.
With gradient negative filters (GNF) or gradient interference filters (GIF), variable parts of a spectral range can be reflected or transmitted.
If standard values do not meet your applications, please ask LASEROPTIK for other wavelengths, gradients or substrates.
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