Take a sneak peek at the new NIST.gov and let us know what you think!
(Please note: some content may not be complete on the beta site.).
NIST Authors in Bold
|Author(s):||Scott A. Diddams; E Peters; P Fendel; S Reinhardt; T W. Hansch; T Udem;|
|Title:||A deep-UV optical frequency comb at 205 nm|
|Published:||May 25, 2009|
|Abstract:||By frequency quadrupling a picosecond pulse train from a Ti:sapphire laser at 820 nm we generate a frequency comb at 205 nm with nearly bandwidth-limited pulses. The nonlinear frequency conversion is accomplished by two successive frequency doubling stages that take place in resonant cavities that are matched to the pulse repetition rate of 82 MHz. This allows for an overall efficiency of 4.5 % and produces an output power of up to 70 mW for a few minutes and 25 mW with continuous operation for hours. Such a deep UV frequency comb may be employed for direct frequency comb spectroscopy in cases where it is less efficient to convert to these short wavelengths with continuous wave lasers.|
|Pages:||pp. 9183 - 9190|
|Keywords:||ultraviolet laser,frequency comb,nonlinear optics|
|Research Areas:||Physics, Optical Technology, Optical Physics|
|PDF version:||Click here to retrieve PDF version of paper (298KB)|