John Spencer

Recent Posts

Tunable Laser Diode Absorption Spectroscopy (TLDAS) with DBR Lasers

by John Spencer on Thu, Aug 04, 2011 @ 11:35 AM

One of the main applications of Photodigm DBR lasers is absorption spectroscopy.  In this application, the laser is tuned by varying either...

Monolithic DBR Laser Diodes and Semiconductor Economics

by John Spencer on Thu, Dec 23, 2010 @ 11:10 AM

Laser products follow a remarkably consistent trajectory.  They start out as large research systems with substantial functionality and flexibility....