1310/1550 nm Polarization Maintaining Filter Coupler Module (1 x 3 / 1 × 4 / 1 × 8)

The PMFCM series is manufactured using advanced technology to allow the input signal to be split into multi channels at a given splitting ratio with high extinction ratio, low excess loss, good uniformity, low wavelength dependance and low temperature dependence. It can be widely used in fiber sensors, amplifiers, lasers, etc.

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Product Detail

Key Features	Applications
High Extinction Ratio	Fiber Lasers
Low Wavelength Dependence Loss	Fiber Sensing
Low Insertion Loss

Specifications

Parameter	Unit	Value
Configuration	-	1 × 3	1 × 4	1 × 8
Center Wavelength (λc)	nm	1310 or 1550	1310 or 1550	1310 or 1550
Operating Wavelength Range	nm	λc ± 30	λc ± 30	λc ± 30
Insertion Loss	dB	≤ 5.8, Typ. 5.6	≤ 7.5, Typ. 7.0	≤ 11, Typ. 10.5
Wavelength Dependent Loss	dB	≤ 0.5, Typ. 0.3	≤ 0.5, Typ. 0.3	≤ 0.5, Typ. 0.3
Max. IL Uniformity	dB	0.6	0.8	1
Min. Return Loss	dB	50	50	50
Min. Directivity	dB	50	50	45
Min. Extinction Ratio	dB	20	20	20
Max. Optical Power	mW	300	300	300
Max. Temperature Dependent Loss	dB/℃	0.006	0.006	0.008
Fiber Type	-	PM Panda Fiber	PM Panda Fiber	PM Panda Fiber
Operating Temperature	℃	- 5 to + 70	- 5 to + 70	- 5 to + 70
Storage Temperature	℃	- 40 to + 85	- 40 to + 85	- 40 to + 85
Package Dimensions	mm	160 × 140 × 10	160 × 140 × 10	160 × 160 × 10

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.

Module

1310/1550 nm Polarization Maintaining Filter Coupler Module (1 x 3 / 1 × 4 / 1 × 8)

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