[14p-K309-1~14] 3.4 Laser system and materials

3:30 PM - 3:45 PM JST(6:30 AM - 6:45 AM UTC)Presentation by Applicant for JSAP Young Scientists Presentation Award

[14p-K309-7] Fabrication of highly efficient walk-off compensated β-BaB₂O₄ wavelength-conversion devices using room-temperature bonding

〇(M1)Shion Naito¹, Riku Ogura¹, Ichiro Shoji¹ (1.Chuo Univ.)

Keywords:

room-temperature bonding,Walk-off compensating structure

β-BaB2O4 (BBO) is a typical UV wavelength conversion material, but its wavelength conversion efficiency is significantly reduced due to the walk-off effect, in which the fundamental and second harmonic waves are separated in the crystal. As a remedy, we have developed a walk-off compensating structure consisting of multiple crystal plates with alternately reversed optical axes using room-temperature junctions, and fabricated a highly efficient UV wavelength conversion device.