Acta Optica Sinica, Volume. 3, Issue 8, 673(1983)
Hyperfine structure of iodine at 640 nm 3He-22Ne laser wavelength and identification
The strong hyperfine structure lines of iodine-127 at 640 nm is observed by saturated absorption technique. The 127I2 cell is placed in a 3He-22Ne laser cavity, while the laser is modified to operate at 640 nm. The observed saturated absorption peaks have a contrast of 10% at pressure of 27 Pa. The saturated absorption at 612 nm is weak.
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ZHAO KEGONG, LI HUA. Hyperfine structure of iodine at 640 nm 3He-22Ne laser wavelength and identification[J]. Acta Optica Sinica, 1983, 3(8): 673
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