Operating and control system for lasers useful in bar code scann

Optical amplification module and laser light source apparatus

Optical apparatus and method for producing the same

Optical comb generator

Optical communications system

Optical external cavities having brewster angle wedges

Optical feedback assembly

Optical feedback locking of semiconductor lasers

Optical frequency deviation measure and control device for laser

Optical frequency stabilizer

Optical frequency stabilizer and method for stabilizing...

Optical laser frequency stabilizer

Optical margin testing system for automatic power control loops

Optical module

Optical module

Optical module

Optical module and method for monitoring and controlling...

Optical module and method of making the same

Optical output control circuit for obtaining stable optical...

Optical pulse generating apparatus