A Compact, Efficient, Optically Pumped Deep UV Laser
Abstract
We are developing a compact and efficient deep UV laser under the DARPA LUSTER program. A key innovation of the laser is its novel double intra-cavity configuration with a coupled resonant fourth harmonic cavity that avoids the use of an independent external resonant cavity. In our Phase 1 project over 190 mW power at 234 nm wavelength was demonstrated by harmonic conversion (with a BBO crystal) of the intra-cavity doubled 468 nm output of an optically pumped 936 nm wavelength InGaAs VECSEL. In Phase 2 a highly compact early prototype 232 nm deep UV laser has been demonstrated using a higher efficiency second generation 928 nm VECSEL.
Document Details
- Document Type
- Technical Report
- Publication Date
- Mar 25, 2019
- Accession Number
- AD1075796
Entities
People
- Chris Hessenius
- Coorg Prasad
- Mahmoud Fallahi
- Mikhail Yakshin