optics - 1x3 2um Monolithic Single mode Wideband coupler

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1x3 2um Monolithic single mode wideband coupler

Product Description:

The Monolithic Single Mode fusion couplers feature compact size, very low insertion loss and polarization dependence, excellent environmental stability and loss uniformity. These couplers were designed for power splitting or combining of optical signals. They are widely used for optical modules and the fiber sensors, fiber testing instruments.

Specification:

Central Wavelength (nm)		1950, 2000, 2050, 2100 or other wavelength
Bandwidth (nm)		± 20
Insertion Loss (dB)		5.8
Excess Loss (dB)		Typical less than 0.3
PDL (dB)		< 0.2
Uniformity (dB)		≤ 0.5
Return Loss (dB)		> 50
Directivity (dB)		> 55
Operating Temperature (ºC)		-40 ~ 85 for bare fiber; -20 ~ 75 for Loose tube
Dimensions (mm)		3(Φ)X54(L) for bare fiber, 4(Φ)X75(L) for loose tube
Fiber Type		SMF-28e, SM1950 or others