New Techniques in Photo-Acoustic Spectroscopy
Abstract
Erbium fiber lasers may be tuned continuously from 1.527 microns to 1.6 microns. Thulium fiber lasers may be tuned from 1.7 microns to 2.0 microns. If large pulses of these two wavelengths can be appropriately mixed in a non-linear crystal, continuous pulses of radiation can be obtained between 7 and 19 microns. We have demonstrated the continuous tuning of these fiber lasers, and preliminary experiments were carried out to Q switch them We also I initiated work to develop double clad lasers to obtain high peak powers with relatively short pulse periods. The final goal of our effort was not achieved; however, we believe that preliminary results indicate that the amplification of pulsed fiber lasers with double clad lasers can lead to new, compact sources in the far infrared region of the spectrum.
Document Details
- Document Type
- Technical Report
- Publication Date
- Apr 05, 2002
- Accession Number
- ADA400455
Entities
People
- T. F. Morse
Organizations
- Boston University