The photoluminescence setup is built from the following element: Ar+ laser, 2W, Coherent, INNOVA 70-2, class 4, He-Ne laser, 32 mW, Spectra-Physics 107S, 10 K Closed Cycle Refrigerator APD Cryogenics, Displex DE202, Monochromator JY Triax 180, TR180MS3, Detector InGaAs IR Te cooled, Hamamatsu G5832, Detector Photomultiplier Thorn-EMI 9130B/100, Lock-in Amplifier Stanford Research SR830.

Acquired January 1970 and managed by