A multilens Raman cell as a tool to obtain high optical quality and efficient 1st Stokes backward conversion |
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| Authors: | S Marchetti |
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| Institution: | Istituto Nazionale di Ottica, INO-CNR, U.O.S. Pisa “Adriano Gozzini”, via Moruzzi 1, 56124 Pisa, Italy |
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| Abstract: | A multilens high pressure H2 cell has been used to demonstrate that efficient, high optical quality and low threshold down-conversion to 1st Stokes can be obtained also with a poor quality broadband pump, with just the condition that the pump pulsewidth is larger than the cell transit time. A backward 1st Stokes with 0.7 overall quantum efficiency conversion has been obtained from a broadband Nd:YAG duplicated laser. |
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| Keywords: | Raman scattering Wavelength conversion Backscattering |
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