Isolator Polarization Beam Combiner/Splitter

The Isolator Polarization Beam Combiner/Splitter is a compact device that provides both polarization beam combining and optical isolation in one integrated component. The most common application is to combine the light of two pump lasers into one single fiber to double the pump power in EDFA or Raman Amplifier. The Isolator Polarization Beam Combiner/Splitter has extremely low insertion loss, and it can improve the amplifier performance.

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Product Detail

Key Features	Applications
Low Insertion Loss	EDFA
Compact Size	Raman Amplifier

Specifications

Parameter	Unit	Value
Stage	-	Single Stage	Dual Stage
Center Wavelength (λc)	nm	2000
Operating Wavelength Range	nm	λc ± 20
Typ. Insertion Loss	dB	0.6	0.7
Max. Insertion Loss	dB	1.2	1.3
Min. Isolation, 23℃	dB	20	42
Min. Extinction Ratio, 23℃ (for splitter only)	dB	20	20
Min. Return Loss	dB	50
Directivity	dB	50
Max. Optical Power (Continuous Wave)	mW	500
Fiber Type	-	PM 1550 Panda Fiber for Ports 1 & 2,
	-	SMF-28 or PM 1550 Panda Fiber for Port 3
Max. Tensile Load	N	5
Operating Temperature	℃	- 5 to + 70
Storage Temperature	℃	- 40 to + 85

¹IL is 0.3 dB higher, RL is 5 dB lower, and ER is 2 dB lower for each connector added. Connector key is aligned to slow axis.

Optical Isolator

Isolator Polarization Beam Combiner/Splitter

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