A brief review is given of some recent rf-linac pumped free electron laser experiments. The experiment on two-photon absorption (TPA) in semiconductors was conducted in collaboration with the CLIO group at Orsay. TPA in the narrow gap semiconductors InAs and InSb were measured for the first time over a broad spectral range, from one-photon to two-photon threshold, utilizing the mid-infrared tunability of CLIO. Another experiment on saturation subband spectroscopy in GaAs quantum structures was conducted in collaboration with the Delft and FELIX groups at the FOM-Institute for Plasma Physics Rijnhuizen. FELIX was used to measure the nonlinear intersubband absorption in GaAs/ALGaAs multiple quantum wells.
|Title of host publication||Proceedings of SPIE - The International Society for Optical Engineering|
|Publication status||Published - 1993|
|Event||Proceedings of the 18th International Conference on Infrared and Millimeter Waves - Colchester, Engl|
Duration: 6 Sep 1993 → 10 Sep 1993
|Conference||Proceedings of the 18th International Conference on Infrared and Millimeter Waves|
|Period||6/09/93 → 10/09/93|