Electro-optic fs pulsed laser deflection in KTN crystals using UV illumination
Abstract
UV-illuminated, paraelectric-phased potassium tantalate niobate (KTN) single crystals mitigate the beam deformation effects of femtosecond pulsed lasers in KTN deflectors. UV light illumination can control the amount of trapped charge present and minimize domain inversion in KTN deflectors, owing to its generated electron–hole pairs. This enables high beam quality deflection of fs pulsed lasers, with access to larger deflection angles, deflection speeds, and modulation switching ratios. These results enable the use of KTN deflectors in many fs pulsed laser applications and hasten the advancement of fs applications that require these deflection qualities.
Document Details
- Document Type
- Pub Defense Publication
- Publication Date
- Feb 14, 2023
- Source ID
- 10.1364/ol.479902
Entities
People
- Annan Shang
- MOHAMMAD AHSANUL KABIR
- Ruijia Liu
- Shizhuo Yin
- Yaoyang Ji
- Yun Goo Lee
Organizations
- Office of Naval Research
- Pennsylvania State University