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 and available equipment, diffraction...

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Diffraction grating metrology

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Classification of diffraction gratings

Bibliography

(1) - BOTTEN (L.), CADILHAC (M.), DERRICK (G.), MAYSTRE (D.), McPHEDRAN (R.), NEVIÈRE (M.), VINCENT (P.), PETIT (R.) - Electromagnetic Theory of Gratings, - Vol. 22 of Topics in Current Physics (Springer, 1980).
(2) - PETIT (R.) - Ondes Électromagnétiques...

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Standards and norms

Optics and photonics: Drawing guidelines for optical elements and systems – Surface imperfection tolerances - NF ISO 10110-7 - 2017
Lasers and laser-related equipment – Laser damage threshold test methods – Definitions and basic principles - NF ISO 11254-1 - 2011
Lasers and laser-related equipment – Laser damage threshold test methods – Determining the threshold - NF ISO 11254-2 - 2011
Specifications...