Optical resonator with spiral optical elements
Optical semiconductor device module and bidirectional module
Optical system for focusing a light beam on to an image plane
Optical system for improving the brightness of a stack of...
Optical systems including wavefront correcting optical surfaces
Optical systems including wavefront correcting optical surfaces
Optically pumped semiconductor laser device
Optically stable laser resonator
Optically stable resonator for producing a laser beam
Optically-stabilized plano-plano optical resonators
Optoelectronic device having a fiber grating stabilized pump...
Organic luminescent devices with a multiplex structure