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Title: A simplified scheme for generating narrow-band mid-ultraviolet laser radiation

We report on the development and characterization of continuous, narrow-band, and tunable laser systems that use direct second-harmonic generation from blue and green diode lasers with an output power level of up to 11.1 mW in the mid-ultraviolet. One of our laser systems was tuned to the mercury 6{sup 1}S{sub 0} → 6{sup 3}P{sub 1} intercombination line at 253.7 nm. We could perform Doppler-free saturation spectroscopy on this line and were able to lock our laser to the transition frequency on long time scales.
Authors:
 [1] ;  [2] ; ; ; ;  [1] ;  [3] ;  [2]
  1. TOPTICA Photonics AG, Lochhamer Schlag 19, 82166 Gräfelfing (Germany)
  2. (Germany)
  3. Max-Planck Institut für Quantenoptik, Hans-Kopfermann-Str. 1, 85748 Garching (Germany)
Publication Date:
OSTI Identifier:
22392401
Resource Type:
Journal Article
Resource Relation:
Journal Name: Review of Scientific Instruments; Journal Volume: 86; Journal Issue: 3; Other Information: (c) 2015 AIP Publishing LLC; Country of input: International Atomic Energy Agency (IAEA)
Country of Publication:
United States
Language:
English
Subject:
46 INSTRUMENTATION RELATED TO NUCLEAR SCIENCE AND TECHNOLOGY; HARMONIC GENERATION; LASER RADIATION; LASERS; MERCURY; SATURATION; SPECTROSCOPY; ULTRAVIOLET RADIATION