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physics.optics2026
Gas Beam Dump and Power Meter for High Energy Lasers
Harsha Rajesh, Sida Cao, Ke Ou +3
Gaseous optics exhibit substantially higher laser-induced-damage thresholds than solid materials, enabling high-intensity operation without permanent degradation. In this Letter, w…
physics.optics2026
Experimental Scaling of Diffraction Efficiency in Laser-Induced Plasma Gratings
M. M. Wang, V. M. Perez-Ramirez, N. M. Fasano +8
We demonstrate efficient diffraction of intense ultrashort laser pulses using optical-field-ionization-induced plasma-neutral gratings formed by spatially structured ionization of…
physics.optics2026
Near-Unity-Efficiency Gas Gratings for Ultraviolet, Visible, and Infrared High-Power Lasers
Ke Ou, Harsha Rajesh, Sida Cao +13
Interfering deep ultraviolet (DUV) lasers can induce substantial density modulations in an ozone-doped gas flow via photochemical reactions, creating volume diffraction gratings. T…