A chirped pulse diffracted by a lens-grating pair produces a flying focus whose trajectory can be set at an arbitrary angle to the propagation direction by tuning focal length, grating period, and chirp.
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Plasma transmission gratings with 10.2-micron period show 0.005 deg/nm angular dispersion in agreement with theory, supporting designs for damage-resistant laser pulse compressors reaching petawatt to exawatt powers.
citing papers explorer
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Flying focus with arbitrary directionality for spatiotemporal control of laser pulses
A chirped pulse diffracted by a lens-grating pair produces a flying focus whose trajectory can be set at an arbitrary angle to the propagation direction by tuning focal length, grating period, and chirp.
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Dispersive Properties of Plasma Diffraction Gratings: Towards Plasma-Based Laser Pulse Compression
Plasma transmission gratings with 10.2-micron period show 0.005 deg/nm angular dispersion in agreement with theory, supporting designs for damage-resistant laser pulse compressors reaching petawatt to exawatt powers.