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Experimental Instruments » LEOI-61 Single-photon Counting Experiment System

Introduction

The experimental system, composed of a single photon counter and external light path, employs pulse height discrimination technology and digital counting technology and has a higher linear dynamic range. The digital output signal enables computer to process the data. It offers a highly relevant teaching tool.

Specifications

Wavelength Range 360-650 nm
Integration Time 0-30 min (1ms/stop, adjustable)
Threshold Voltage 0-2.56V (10 V/stop, adjustable)
Max Count Reading more than 107
Dark Count less than 30 cps (-20°C)

Complete Instrument Set
  • Single photon counter;
  • Semiconductor refrigerator system;
  • External light path (including light source, filter, weakener, and optical rail)
  • Computer and operating software; USB Interface;
  • Light energy indicating meter.
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