DAST (4-N,N-dimethylamino-4'-N'-methyl-stilbazolium tosylate)

Highly purified (> 99.5 %) DAST starting material with required quantity in attractive prices. Substance to produce single crystals of high purity DAST can be used for the generation of the electromagnetic waves in the THz-range. High optical quality DAST single crystals are produced by Teracryst Pvt Ltd in India

Features

• High quality crystals
• Cut and polished for various applications
• Large nonlinear optical susceptibilities (d11 > 1000 pm/V)
• Large electro-optic coefficients (r11 = 92 pm/V)
• Phase matching for THz-wave generation between 720 nm and 1650 nm

Applications

• THz/MIR generator and detector
• Efficient THz generation and detection from 0.3 to >16 THz
• Fast electro-optic modulation
• Optical parametric generation
• Efficient frequency doubling of 1.55 μm radiation
• Second harmonic generator

Laser Requirements

DAST operates with all conventional types of lasers

• Telecomm fiber
• OPA
• OPCPA