Accession Number:

ADA541530

Title:

Energy Scaling of Nanosecond Gain-Switched Cr2+:ZnSe Lasers

Descriptive Note:

Conference paper

Corporate Author:

AIR FORCE INST OF TECH WRIGHT-PATTERSON AFB OH

Personal Author(s):

• Fedorov, V. V.
• Moskalev, I. S.
• Mirov, M. S.
• Mirov, S. B.
• Wagner, T. J.
• Bohn, M. J.
• Berry, P. A.
• Schepler, K. L.

Report Date:

2011-01-01

Pagination or Media Count:

8.0

Abstract:

In this paper, we report record nanosecond output energies of gain-switched CrZnSe lasers pumped by Q-switched CrTmHoYAG 100 ns at 2.096 microns and Raman shifted NdYAG lasers 7 ns at 1.906 microns. In these experiments we used Brewster cut CrZnSe gain elements with a chromium concentration of 8x10exp 18cu cm. Under CrTmHoYAG pumping, the first CrZnSe laser demonstrated 3.1 mJ of output energy, 52 slope efficiency and 110 nm linewidth centered at a wavelength of 2.47 microns. Maximum output energy of the second CrZnSe laser reached 10.1 mJ under H2 Raman shifted NdYAG laser pumping. The slope efficiency estimated from the input-output data was 47.

Descriptors:

• *INFRARED LASERS
• CHROMIUM
• SOLID STATE LASERS
• SYMPOSIA

Subject Categories:

• Lasers and Masers

Distribution Statement:

APPROVED FOR PUBLIC RELEASE