Supply Of Single Photo Detectiong Avalanche Photodiode

We require the following items immediately:

Sl.No	Description	Quantity
1	Single Photo Detecting Avalanche Photodiode Purpose: Detection of low quantum efficiency light emission from metal-metal scanning tunnelling microscope junction. Detector Type : Avalanche Photo Diode Detection Wavelength Range: 400 - 1000nm (or better) Detection Efficiency: >= 60% (at peak) Detector Active Area: 180 µm (typical) or higher Dark Count : 25 counts/sec or lower (preferable - 10 counts/sec) Dead Time: Typically 20ns or lower Dectector Cooling: Thermoelectric cooler Optical mounting breaket for 25mm tybe and 30mm cage mount Power Sypply: AC-DC Adaptor for 230V mains operation Accessoriers: Essential cables/attachments Optical Accessories: Cables, Sokets, Clamps for mechanical attachment and electrical conenction	1 No