Product Details

Product description

ROF-AM-HER electro-optical intensity modulator with high extinction ratio is based on MZ push-pull structure, having a low half-wave voltage and stable physical and chemical properties. The device has a high DC extinction ratio and high response rate by utilizing special process, so it is widely used in optical pulse generator, laser radar, optical fiber sensing and other fields.

Features

l Extinction ratio is more than 40dB

l low insertion loss

l high modulation bandwidth

l low half-wave voltage

Applications

l light pulse generator

l Brillouin sensor system

l laser radar

Performance parameters

Parameter				Symbol		Min	Typ	Max	Unit
Optical parameters
Operating wavelength				l		1525		1565	nm
Insertion loss				IL			4	5	dB
Optical return loss				ORL				-45	dB
Switch extinction ratio @DC				ER@DC		35		50	dB
Optical fiber	input port					Panda PM Fujikura SM 15-P-8/125-UV/UV-400
	output port					Corning SMF-28
Optical connector						FC/PC、FC/APC or user specified
Electrical parameters
Operating bandwidth （-3dB）					S₂₁	10		16	GHz
Half-wave voltage Vpi			RF		Vπ@50KHz			5	V
			Bias		Vπ@Bias			7	V
Electrical return loss					S₁₁		-12	-10	dB
Input impedance		RF			Z_RF		42		W
		Bias			Z_BIAS	10000			W
Electrical interface						SMA(f)

limit parameters

Parameter	Symbol	Unit	Min	Typ	Max
Input optical power	P_in,Max	dBm			20
input RF power		dBm			28
Bias voltage	Vbias	V	-20		20
Operating temperature	Top	℃	-10		60
Storage temperature	Tst	℃	-40		85
Humidity	RH	%	5		90

Characteristic curve

S₁₁&S_{21 curve}

Dimensions（mm）

Ordering information

rof

HER

Strength

modulator

High extinction ratio

Operating wavelength：

15---1550nm

Operating bandwidth：

10---10GHz

20---16GHz

Input output optical fiber ：

PS---PM/SMF

PS---PM/PMF

connector ：

FA---FC/APC

FP---FC/PC

SP---user specified

*please contact our seller if you have special requirements