Refractive spectrum splitting concentrator system

Refractive-diffractive hybrid lens

Refractive-diffractive hybrid lens, in particular for beam...

Refractive-diffractive hybrid lens, in particular for beam...

Refractive/diffractive infrared imager and optics

Refractive/reflective optical element multiple beam spacer

Regenerative amplifier incorporating a spectral filter within th

Regenerative amplifier incorporating a spectral filter within th

Regenerative cavity X-ray lasing amplifier

Regenerative communication channel extender

Regenerative laser amplifier

Regenerative optical amplifier

Regenerator with optical modulation for optical fiber...

Regenerator with reconstitution of an optical signal carrier...

Regulated optical amplifier

Regulated optical amplifier having an optical circulator

Regulation mechanism for exterior rear-view mirrors for...

Reinforced retractable projection screen with a tab...

Reinforced signal mirror

Relative intensity noise (RIN) reduction in fiber-based...