Summary form only given. We have recently built a source that emits infrared radiation, tunable around 4.3 µm, by difference-frequency-generation (DFG) in periodically-poled LiNbO/sub 3/. High resolution spectroscopic applications, like sub-Doppler spectroscopy, require a full control of the infrared spatial mode, during frequency scans. In spite of the difficulties inherent to recording of images at 4.3 /spl mu/m; we experimentally observed pattern formation as a function of several parameters, like input wavelengths, crystal temperature, and alignment of input beams with respect to the crystal.
Spatial mode control of infrared radiation generated by difference frequency in periodically-poled crystals
Giusfredi, G.;Mazzotti, D.;Cancio Pastor, P.;De Natale, P.
2000
Abstract
Summary form only given. We have recently built a source that emits infrared radiation, tunable around 4.3 µm, by difference-frequency-generation (DFG) in periodically-poled LiNbO/sub 3/. High resolution spectroscopic applications, like sub-Doppler spectroscopy, require a full control of the infrared spatial mode, during frequency scans. In spite of the difficulties inherent to recording of images at 4.3 /spl mu/m; we experimentally observed pattern formation as a function of several parameters, like input wavelengths, crystal temperature, and alignment of input beams with respect to the crystal.File in questo prodotto:
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Descrizione: Spatial mode control of infrared radiation generated by difference frequencv in oeriudicallv-Doled crvstals
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