Diffraction grating metrology
Diffraction gratings for high intensity lasers

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Diffraction grating metrology
Diffraction gratings for high intensity lasers

Authors : Nicolas BONOD, Jérôme NÉAUPORT

Review date: April 26, 2021 | Lire en français

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3. Diffraction grating metrology

3.1 Optical characterization

Precise knowledge of the optical properties of the pulse compression grating is essential for optimum control of laser beam propagation during compression. At a minimum, these optical properties are diffraction efficiency and diffracted wave surface quality.

Diffraction efficiency is characterized using a photometer [R6410] at the grating's operating incidence, wavelength and polarization. Depending on requirements...

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