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詳細介紹
重頻鎖定器BOMPD-光
飛秒激光重頻鎖定器-光鎖相環可以高精度地檢測光脈沖序列與微波信號零交叉之間的時間延遲。它生成一個基帶信號，該信號與兩個輸入之間的時間誤差成正比，從而可以在鎖相環配置中用于將激光與微波源緊密同步，反之亦然。由于其采用平衡光學探測的檢測方案，使得飛秒脈沖重頻鎖定器對光源和微波源的幅值波動都具有免疫能力，大大抑制了光檢測過程中的AM-PM轉換噪聲。
應用
重頻與微波信號的同步鎖定
微波信號與超快激光重頻之間的同步鎖定
微波源與穩定鏈路輸出的同步
由超快光學振蕩器產生超低噪聲微波信號
與束到達監測器(BAM)一起使用時，超快激光與加速器中電子束的同步
規格
Parameter | Value | Unit | Comment |
Detector sensitivity | > 0.05 | mV / fs | At the detector output (not amplified) |
Detector resolution | <> | fs | Integrated detector noise floor within 10 kHz bandwidth |
Control system | included | Available in Epics, Tango… | |
Auto lock | included | ||
Dimensions | Rack mountable, 19 inch width, 5HU | ||
Weight | 10-20 | kg | Depending on options |
RF input power | >15 | dBm | Up to 10 GHz. BOMPD tailored to frequency of interest |
Optical input wavelength | 800 ± 30 1550 ± 40 | nm | Operating at pulsed mode |
Optical input power | > 50* > 20** | mW | * Required average power for 800nm version ** Required average power for 1550nm version |
Optical input type | PM Fiber | FC or SC connector | |
Pulse repetition rate | <> | GHz | BOMPD is tailored for the repetition rate of interest |
RF Generation Option for BOMPD | |||
VCO | Included | Customizable upon request | |
Integrated feedback | Included | Optimized PID parameters | |
Timing Jitter | <> | fs RMS | Within 35 μHz - 1 MHz bandwidth; relative to the master oscillator |
RF output frequency | <> | GHz | Can be tailored for the frequency of interest |
Locking bandwidth | > 10 | kHz | Between the optical master and RF slave oscillator |
RF output power | > 10 | dBm | 50 Ω impedance |
RF power stability | <> | % | |
Low Noise Option for BOMPD | |||
VCO | Included | ||
Timing Jitter | <> | fs RMS | Within 35 μHz - 1 MHz bandwidth; relative to the master oscillator |
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