Experimental stand of pulsed terahertz visualizer

Experimental stand of pulsed terahertz visualizer consists of fs laser FL-1 (the active medium - Yb: KYW; center wavelength of 1040 nm, pulse duration of 46 fs, pulse repetition frequency of 70 MHz, the power P ≥ 1 W), oscillator crystal (of InAs located in a static magnetic field of 2.4 Tesla), lock-in amplifier and balanced Femto NIRVANA detector.

Characteristics of terahertz radiation: spectral range from 0.05 to 1.6 THz; the average power of 30 mW; the pulse repetition frequency of 667 Hz; 755 mW pulse power; pulse duration of 2.7 ps; S / N ratio: 1000 Spatial resolution - 1 mm.