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Nonlinear mixing between the emission of a cw laser and a femtosecond laser |
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| Authors: | MA Salhi M Bieler M Koch |
| Institution: | a Institut für Hochfrequenztechnik, Technische-Universität Braunschweig, Schleinitzstraße 22, D-38106 Braunschweig, Germany b Physikalisch-Technische Bundesanstalt, Bundesallee 100, D-38116 Braunschweig, Germany c Joint Optical Metrology Center (JOMC), Pockelsstr. 14, D-38106 Braunschweig, Germany |
| Abstract: | We mix the emission of a femtosecond Ti:sapphire laser with the emission of a continuous wave infrared laser in a beta-barium borate crystal. Green light with a center wavelength of 527 nm and a spectral width of 2.5 nm resulting from sum frequency generation is detected. An intensity study verifies that a nonlinear χ(2) process is at the origin of the green light generation. The experimentally obtained conversion efficiency of 7 × 10−10 is in good agreement to simple theoretical considerations. |
| Keywords: | 42 65 &minus k |
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