A relative amplitude stability of ±0.013% and a relative frequency stability of ±3.5 × 10−10 are achieved over a period of 10 min or longer for a commercial single frequency, internal mirror He–Ne laser.
© 1989 Optical Society of America
Akira Sasaki, Kanji Wakabayashi, and Shin-ichi Masuda, "Stabilization of single frequency internal mirror He-Ne lasers," Appl. Opt. 28, 1608-1609 (1989)