We, Shanghai HJ Fiber Co.,Ltd, Guaranteed the High quality (Rohs, ISO9001,) ,Competitive price and Delivery on time service to our customers. Our products shown below: Isolator, Coupler, Circulator, WDM, CWDM, Media Converter,Fast Ethernet Switch ,For more details , please visit our website: www.fibersworld.com

Optical isolator is designed according to Telcordia ,it is characterized with high performance, high reliability and low cost ,which used to prevent back reflection and back scattering 
Features: 
Low insertion loss ,High channel isolation, RoHS compliant, Telecommunication
Applications: 
Fiber optical amplifiers ,Fiber optical testing system ,Laboratory R&D
Patameter	Unit	Values
Stage		Single Stage	Dual Stage
Grade		Grade P	Grade A	Grade P	Grade A
Centre Wavelength	nm	1310,1480 , 1550 or 1310&1550
Operating Wavelength	nm	20
Typ.peak Isolation	dB	42	40	58	55
Min.Isolation	dB	28	26	48	45
Type.Insertion Loss	dB	0.4	0.5	0.5	0.6
Max.Insertion Loss	dB	0.55	0.65	0.65	0.8
Min.Return Loss	dB	55	55	55	55
Min.Extinction Ration(Type B)	dB	20	18	20	18
Max.Optical Power(CW)	 mm	500
Max.Tensile Load	N	5
Fiber Type		PM Fiber
Operating Temperature	      	-5 - +70
Storage Temperature	      	-40 ~-+85
For more details ,Pls contact us without hesitation, we will give your satisfied reply asap.
Kindly look forward to hearing from you side.
Best regards
Mr Sun, Overseas Dept 
Shanghai HJ Fiber Co.,Ltd
Add: No.350,Shilong Road, Xuhui District, 
Shanghai1, P.R.China Postcode: 200232 
Tel: +86-21-54112835 Fax: +86-21-54112835 
E-mail: suncunjun2000@yahoo.com.cn
MSN: suncunjun3000@hotmail.com 
www.fibersworld.com