異步光學(xué)采樣系統(tǒng)
ASOPS
Asynchronous Optical Sampling System
內(nèi)部Er:doped C-Fiber(ASOPS DUAL COLOR，ASOPS TWIN 250)和Yb:doped橙色系列任何系統(tǒng)飛秒光纖激光器可以合并在一個(gè)平臺(tái)上。這里我們兩個(gè)可能的系統(tǒng)配置。
| ASOPS DUAL COLOR | ASOPS TWIN |
Repetition Rate | 100 MHz | 250 MHz |
Repetition rate offset tuning | Δf = -10 kHz .. + 10 kHz, in steps of 10-5 Hz | Δf = -10 kHz .. + 10 kHz, in steps of 10-5 Hz |
Time measurement window | 10 ns | 4 ns |
Scan duration 1/ Δf | 0.1 ms @ 10kHz offset, 1 s @ 1 Hz offset | 0.1 ms @ 10kHz offset, 1 s @ 1 Hz offset |
Data Point Increment Δf / Rep² | 1 ps @ 10 kHz, 0.1 fs @ 1 Hz | 160 fs @ 10 kHz, 0.016 fs @ 1 Hz |
Laser Heads |
|
|
Central Wavelength | 1560 nm / 780 nm | 1560 nm |
Average Power | >100 mW / >100 mW | >75 mW / >75 mW |
Pulse Energy | >0.4 nJ | >10 nJ |
Pulse Width | <90 fs / <120 fs | <150 fs / <150 fs (after 6-m PM fiber) |
Output Port | 2 x free space | 2 x fiber-coupled FC/APC |
Piezo Tuning Range | >100 Hz | >625 Hz |
Piezo Bandwidth | >30 kHz | >30 kHz |
Stepper Motor Turning Range | >330 kHz | >2 MHz |
Trigger Signal | TTL level at offset frequency, <25 ns rise time | TTL level at offset frequency, <25 ns rise time |
ASOPS技術(shù)的優(yōu)勢(shì)：
·更快的獲取時(shí)間
·增加時(shí)間測(cè)量窗口
·沒(méi)有機(jī)械運(yùn)動(dòng)部件(提高光束指向穩(wěn)定性，提高掃描速度)
應(yīng)用：
·泵探測(cè)器光譜
·紅外光譜
·異步光取樣
·太赫茲光譜
RRE-SYNCRO
Repetition Rate Stabilization（重頻穩(wěn)定器）
RRE-SYNCRO單元提供*的電子鎖相。完整的、用戶友好的系統(tǒng)允許即插即用。
| RRE-SYNCRO |
RMS Timing Jitter | <200 fs [0.1 Hz–500 kHz] or same as reference, whichever applies first* |
INPUT SIGNALS |
|
External Reference | 10 MHz** (provided by customer) signal level +5… +10 dBm |
Repetition Rate | Signal level -20…-10 dBm |
OUTPUT SIGNALS |
|
Stepper Motor | Stepper motor control, Sub-D, 9 pin |
Piezo | Piezo control, BNO |
Error | Error signal for monitoring, BNC |
C-Fiber SYNC: Repetition rate of free-running oscillator
C-Fiber SYNC with RRE-SYNCRO: Repetition rate phase locked to reference frequency
