174106 ⎘
Light guides; Coupling light guides; Optical coupling means having switching means involving stationary waveguides with moving interposed optical elements the optical element being a wavelength independent filter or having spatially dependent transmission properties, e.g. neutral filter or neutral density wedge substrate with plurality of density filters
PHASE-COMPENSATED PUPIL-REPLICATING LIGHTGUIDE
#2Animated optical security feature
#3OPTICAL PATH CONTROL DEVICE
#4Optical switch
#5Optical transmission system
#6Endoscope light source unit
#7Variable hand switch
#8Rotary optical switch
#9Actuator structure and optical device
#10Optical device
#11Optical spatial mode filter for removing fundamental mode components in a HAMR light path