Dual-phase amplification with phase logic

Dual-purpose nose pad insert assembly

Duct for receiving an optical fibre member

Duobinary modulation scheme for a mach-zehnder optical...

Duplex connector for optical fiber plug-in connectors

Duplex fiber optic assemblies suitable for polarity reversal...

Duplex fiber optic connector system and method of fabrication

Duplex fiber optic connector system and method of fabrication

Duplex optical fiber connector

Duplex optical fiber connector and cables terminated therewith

Durable eyeglasses frame assembly

Durable first and second surface mirrors

Durable infrared target having fast response time

Durable low-emissivity solar control thin film coating

Durable low-emissivity solar control thin film coating

Durable low-emissivity thin film interference filter

Durable retroreflective elements

Durable, open-faced retroreflective prismatic construction

Dust caps for fiber optic connectors

Dye containing polarizing film