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Frequency measurement of the 260-THz (115-μm) He–Ne laser
1979
Optics Letters
Preserved Fulltext
Absolute infrared frequency measurement has been extended to 260 THz with the measurement of the strong 1.15gm laser line in 2 0 Ne. The frequency was synthesized in nonlinear crystals of CdGeAs 2 and Ag3AsS 3 from stabilized CO 2 lasers and the 1. 5 -Am laser line in 2 0 Ne. The measured frequency is V20Ne, 1.15 gm = 260.103 284 (30)
doi:10.1364/ol.4.000129
pmid:19687823
fatcat:2nc3q46earenxfg65wabw2wtbi