Terahertz Frequency-Comb Spectrometer
Shanghai Langyan Optoelectronics' terahertz frequency-comb spectrometer uses two high-power femtosecond fiber lasers to produce optical combs. One excites a GaP crystal to generate a THz comb; the other detects it through a THz antenna. Asynchronous optical sampling enables rapid detection. Adjustable comb-tooth width, fast sampling, high SNR and stability suit biomolecule detection, structural measurement, physical-property identification and characterization of semiconductors and high-temperature superconductors.
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Overview
Specifications
| Parameter | Value |
|---|---|
| fs Laser 1（ Pump ）- Center wavelength | 1030 nm |
| Femtosecond Laser 1（ Pump ）- Repetition Rate | 135.196 MHz |
| fs Laser 1（ Pump ）- Pulse width | <100 fs |
| Femtosecond Laser 1 (Pump)-Locking Accuracy | 1-5 mHz |
| Femtosecond Laser 1 (Pump)-Generation Source | GaP |
| Femtosecond Laser 2（ Detection ）- Center Wavelength | 1030 nm |
| Femtosecond Laser 2（ Detection ）- Repetition Rate | 135.197 MHz |
| Femtosecond Laser 2（ Detection ）- Pulse Width | <100 fs |
| Femtosecond Laser 2 (Probe)-Locking Accuracy | 1.0-5.0 mHz |
| Femtosecond Laser 2 (Probe)-Probe Source | Terahertz Antenna |
| Terahertz Optical Frequency Comb - Single-Pulse Scan Time | 1 ms |
| Terahertz Frequency Comb-Time-Domain Scan Width | >7 ns |
| Terahertz Frequency Comb-Spectral Resolution | <135 MHz |
| Terahertz Frequency Comb-Spectral Range | 0.05-3.0 THz |
| Terahertz Frequency Comb-Spectral Dynamic Range | <40 dB |
Applications
Key Features
Datasheet
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