B. E. Kruschwitz
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View article: A mid-scale plasma-electrode Pockels cell for the FLUX laser
A mid-scale plasma-electrode Pockels cell for the FLUX laser Open
A mid-scale (270 x 270-mm aperture) plasma-electrode Pockels cell (PEPC) has been developed for the pump laser system in FLUX (the fourth-generation laser for ultrabroadband experiments). The FLUX mid-scale PEPC is adapted from the PEPC us…
View article: Measurement of chromatic aberrations using phase retrieval
Measurement of chromatic aberrations using phase retrieval Open
We explore the feasibility of measuring chromatic aberrations using a technique based on phase retrieval, primarily for the purpose of diagnostics on the OMEGA EP laser. A computational model and optimization strategy are described, issues…
View article: A transmitted-beam diagnostic for the wavelength-tunable UV drive beam on OMEGA
A transmitted-beam diagnostic for the wavelength-tunable UV drive beam on OMEGA Open
A transmitted-beam diagnostic (P9TBD) was developed as part of a new experimental platform used to study laser–plasma interactions on OMEGA. Located in the opposing port to the wavelength-tunable (350 nm to 353 nm) UV drive beam, the P9TBD…
View article: Long-term monitoring the damage performance of multilayer dielectric grating samples residing inside the compressor chamber of the OMEGA EP laser
Long-term monitoring the damage performance of multilayer dielectric grating samples residing inside the compressor chamber of the OMEGA EP laser Open
Understanding of the laser-induced damage threshold and impact of air–vacuum cycling of the optical components in short-pulse laser systems is of fundamental importance. We report the results of a damage-testing campaign that monitored rep…
View article: Laser-system model for enhanced operational performance and flexibility on OMEGA EP
Laser-system model for enhanced operational performance and flexibility on OMEGA EP Open
The development of laser performance models having real-time prediction capability for the OMEGA EP laser system has been essential in meeting requests from its user community for increasingly complex pulse shapes that span a wide range of…
View article: Tunable UV upgrade on OMEGA EP
Tunable UV upgrade on OMEGA EP Open
The OMEGA EP laser has been upgraded to provide a UV wavelength-tunable beam to support the study of wavelength detuning for the mitigation of cross-beam energy transfer in direct-drive inertial confinement fusion. The beamline delivers up…
View article: Optical smoothing of laser imprinting in planar-target experiments on OMEGA EP using multi-FM 1-D smoothing by spectral dispersion
Optical smoothing of laser imprinting in planar-target experiments on OMEGA EP using multi-FM 1-D smoothing by spectral dispersion Open
Direct-drive ignition on the National Ignition Facility (NIF) requires single-beam smoothing to minimize imprinting of laser nonuniformities that can negatively affect implosion performance. One-dimensional, multi-FM smoothing by spectral …
View article: Performance measurements on NIF beamlines for future experiments to support polar direct drive
Performance measurements on NIF beamlines for future experiments to support polar direct drive Open
We are studying the implementation of polar direct drive (PDD) ignition experiments on the National Ignition Facility (NIF) laser system. Part of this preparation involves testing the performance of the NIF laser system over a broader span…