Z-2 時間分解ＴＨｚ分光装置
- 0.1～3.5ＴＨｚレンジ
- ＜5GHzの分解能（高速フーリエ変換後）
- ダイナミックレンジ： 70dB
- 最大ディレイ： ＞1300psec
仕様
| Spectral Range *1 | 0.1 - 3.5 THz |
| Frequency Resolution | < 5 GHz (after Fast Fourier Transform) (10 cm Delay Stage for 20 cm delay range) |
| Maximum Time Delay Scan | > 1300 ps |
| Dynamic Range *2 | 70 dB |
| Operational Geometry | Transmission & Reflection |
| Standoff Distance *3 | 50 cm +/- 2.5 cm |
| THz Emitter | Photoconductive Antenna (LT GaAs substrate) |
| THz Detector | ZnTe Electro-Optical Crystal |
| Software | Labview Supported Software *4 |
| Size (L x W x H) *5 | 26"× 20"× 12" |
| Weight (lbs) | < 50 lbs |
*1. Spectral Range is dependent on pump laser pulse width. For best results out to 4.0 THz, a pulse width of 80fs or less is recommended with an average pump power of 400mW or higher.
*2. Assumes a 100mW average power mode-locked Ti:Sapphire laser pump with a pulse width of < 120 fs. Dynamic range is quoted for the power spectrum from the FFT of the measured THz wave electric field, and can be substantially lower if laser noise is significant. Suitable repetition rates for this configuration are 10 - 100 MHz.
*3. Only for reflection geometry
*4. See manual for discussion of provided software
*5. Size is quoted for the THz system head only. Does not include the size of the laser, computer, lock-in amplifier, high voltage power supply, translation stage controller or external supporting optics (such as reflecting mirrors used outside the system to steer the THz beam).
カタログ
- Z-2 時間分解ＴＨｚ分光装置
434KB
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