Abstract
A unique laser resonator containing an internal phase grating and a diffractive mode-selecting mirror provides high modal discrimination in a Nd:YAG laser cavity. Single-spatial-mode lasers with high Fresnel numbers are possible, with negligible loss to the fundamental mode.
Original language | English (US) |
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Pages (from-to) | 1976-1978 |
Number of pages | 3 |
Journal | Optics Letters |
Volume | 19 |
Issue number | 23 |
DOIs | |
State | Published - Dec 1 1994 |