飛秒激光重頻鎖定器-光鎖相環(huán)可以高精度地檢測(cè)光脈沖序列與微波信號(hào)零交叉之間的時(shí)間延遲。它生成一個(gè)基帶信號(hào)，該信號(hào)與兩個(gè)輸入之間的時(shí)間誤差成正比，從而可以在鎖相環(huán)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(xué)探測(cè)的檢測(cè)方案，使得飛秒脈沖重頻鎖定器對(duì)光源和微波源的幅值波動(dòng)都具有免疫能力，大大抑制了光檢測(cè)過(guò)程中的AM-PM轉(zhuǎn)換噪聲。

應(yīng)用

重頻與微波信號(hào)的同步鎖定
微波信號(hào)與超快激光重頻之間的同步鎖定
微波源與穩(wěn)定鏈路輸出的同步
由超快光學(xué)振蕩器產(chǎn)生超低噪聲微波信號(hào)
與束到達(dá)監(jiān)測(cè)器(BAM)一起使用時(shí)，超快激光與加速器中電子束的同步

規(guī)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