Femtosecond laser transverse mode conversion by an achromatic volume phase mask

Evan R. Hale; Ivan Divliansky; Leonid Glebov

doi:10.1117/12.2290574

16 February 2018 Femtosecond laser transverse mode conversion by an achromatic volume phase mask

Evan R. Hale, Ivan Divliansky, Leonid Glebov

Proceedings Volume 10518, Laser Resonators, Microresonators, and Beam Control XX; 105181H (2018) https://doi.org/10.1117/12.2290574
Event: SPIE LASE, 2018, San Francisco, California, United States

Abstract

Ultrafast femtosecond laser systems have enabled many breakthroughs in the fields of science and technology. However due to the large spectral bandwidth necessary for creating short pulses, it is quite difficult to manipulate their transverse mode structure. Here we present successful femtosecond transverse mode conversion from the fundamental mode TEM₀₀ to modes TEM₀₁, TEM₁₀, and TEM₁₁ with the use of an achromatic phase mask based on diffractive optics. The femtosecond source had ~12.8 nm of bandwidth and pulse duration of <100 fs.

Conference Presentation

Citation Download Citation

Evan R. Hale, Ivan Divliansky, and Leonid Glebov "Femtosecond laser transverse mode conversion by an achromatic volume phase mask", Proc. SPIE 10518, Laser Resonators, Microresonators, and Beam Control XX, 105181H (16 February 2018); https://doi.org/10.1117/12.2290574

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