Damman grating for array pumping of single-longitudinal-mode YVO4 laser

Weilin Cao; Bin Xie; Dawei Zhang; Jianlang Li

doi:10.1117/12.3035982

22 November 2024 Damman grating for array pumping of single-longitudinal-mode YVO₄ laser

Weilin Cao, Bin Xie, Dawei Zhang, Jianlang Li

Proceedings Volume 13240, Holography, Diffractive Optics, and Applications XIV; 132400H (2024) https://doi.org/10.1117/12.3035982
Event: SPIE/COS Photonics Asia, 2024, Nantong, Jiangsu, China

Abstract

The Dammann Grating (DG), a binary phase grating, efficiently divides incident light into equal-intensity sub-beams, making it ideal for beam splitting applications. In this research, an array-pumped, microchip Nd:YVO₄ laser was explored by incorporating a DG into the collimation part of the pump optical path, to obtain single-longitudinal-mode (SLM) and multi-beam output at 1064 nm. As a result, 2×2 arrayed output of the laser was obtained with a total output power of 558.0 mW at 1.86-W pump power, exhibiting a slope efficiency of 36.3%, offering distinct advantages in SLM operation due to its thermal management capabilities in homogenizing thermal gradients and thus resulting in highpower operation with high beam quality. Except for the 2×2 array pumping, high-power SLM operation also can be expected by applying higher-order array pumping.

(2024) Published by SPIE. Downloading of the abstract is permitted for personal use only.

Citation Download Citation

Weilin Cao, Bin Xie, Dawei Zhang, and Jianlang Li "Damman grating for array pumping of single-longitudinal-mode YVO₄ laser", Proc. SPIE 13240, Holography, Diffractive Optics, and Applications XIV, 132400H (22 November 2024); https://doi.org/10.1117/12.3035982

ACCESS THE FULL ARTICLE

INSTITUTIONAL
Select your institution to access the SPIE Digital Library.

SELECT YOUR INSTITUTION

PERSONAL
Sign in with your SPIE account to access your personal subscriptions or to use specific features such as save to my library, sign up for alerts, save searches, etc.

PERSONAL SIGN IN

No SPIE Account? Create one

PURCHASE THIS CONTENT

SUBSCRIBE TO DIGITAL LIBRARY

50 downloads per 1-year subscription

Members: $195

Non-members: $335 ADD TO CART

25 downloads per 1 - year subscription

Members: $145

Non-members: $250 ADD TO CART

PURCHASE SINGLE ARTICLE

Includes PDF, HTML & Video, when available