CW UV Radiation Through Second-Harmonic Generation of Blue Diode-Laser Output

Abstract

Cavity enhanced second-harmonic generation of a cw blue (440 nm) diode laser output is achieved using a nonlinear crystal BBO in an external, high finesse ring cavity. Simulations show that under ideal beam conditions the generation of ~30 mW UV power is possible with 250 mW of incident power when design parameters are optimized. Output is observed at 220 nm at power levels that currently do not exceed a few microwatts. Shortcomings of the present laser and frequency doubling resonator such as the lack of suitable dichroic mirrors, astigmatic beam from the diode laser and imperfect mode matching - are currently being addressed.

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Document Details

Document Type
Technical Report
Publication Date
Jan 19, 2010
Accession Number
ADA521953

Entities

People

  • Wolfgang Rudolph

Organizations

  • University of New Mexico

Tags

Communities of Interest

  • Energy and Power Technologies

DTIC Thesaurus Topics

  • Antireflection Coatings
  • Conversion
  • Department Of Defense
  • Frequency
  • Frequency Conversion
  • Laser Beams
  • Laser Diodes
  • Lasers
  • Mathematics
  • Measurement
  • Optical Lattices
  • Optical Materials
  • Optics
  • Radiation
  • Second Harmonic Generation
  • Students
  • Waveplates

Fields of Study

  • Physics

Readers

  • Nanofabrication and Microfabrication.
  • Spectroscopy.
  • Thermal Physics or Thermal Science.

Technology Areas

  • Directed Energy