Patent classifications
G
PHYSICS
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G01
MEASURING; TESTING
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G01J
MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
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3/00
Spectrometry; Spectrophotometry; Monochromators; Measuring colours
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G01J3/0205
Optical elements not provided otherwise, e.g. optical manifolds, diffusers, windows
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G01J3/0243
having a through-hole enabling the optical element to fulfil an additional optical function, e.g. a mirror or grating having a throughhole for a light collecting or light injecting optical fiber
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