Work

Burst-Mode Operation of End-Pumped, Passively Q-Switched (Er/Yb):Glass Lasers

Year: 2025

Type: article

Abstract: We describe the output characteristics of a compact, passively Q-switched, diode-end-pumped (Er/Yb):Glass laser operating in a multi-pulse burst mode. Such operation enables much higher optical efficiency and larger output of total energy than possible with conventional solitary pulse emissions. The laser generated a 15-pulse burst of pulses at 1.5 μm with a combined energy of 5.8 mJ. Measurements of pulse energies, spatial mode characteristics, output beam divergence, and impact of thermal effects in the (Er/Yb):Glass are described. These results are compared to predictions of a numerical simulation using a finite-difference beam propagation method (FD-BPM) that incorporates thermal effects caused by distributed local heating in the glass. We show good agreement between the measured and simulated laser output characteristics.

Source: Photonics

DOI: 10.3390/photonics12080750

Authors: Stephen R. Chinn, Lew Goldberg, A. D. Hays

Institutions: Fibertek (United States), United States Army Combat Capabilities Development Command, United States Army

Language: English

Topic: Solid State Laser Technologies

Subfield: Electrical and Electronic Engineering

Field: Engineering

Domain: Physical Sciences

Open Access status: gold

Estimated APC paid: $2,896

Funder: U.S. Department of Defense