Custom Wavelength Singlemode Coupler

Single mode fused fiber optic coupler (splitter): standard single mode couplers and custom wavelength single mode couplers operating within 488nm to 1632nm.

	Wavelengths	Insertion Loss	Uniformity	Directivity	Thermal Stability	Operating Temp.	Port Config	Fiber Type	Package
custom designed SM couplers	980nm, 1064nm, 1480nm,1625nm or custom	< 3.4dB (50/50split)	< 0.4 dB	> 60 dB	< 0.2 dB	- 40C to +80C	1 X 2 or 2 X 2	Corning PureMode, SMF-28	Tube, Aluminum bar, Box
Tap couplers	980nm,1064nm, 1480nm, 1625nm or custom	0.15/22dB (99/1split)	-	> 60 dB	< 0.2 dB	- 40C to +80C	1 X 2 or 2 X 2	Corning PureMode, SMF-28	Tube, Aluminum bar, Box

Available in 10/90, 20/80, 30/70, 40/60 and 50/50 coupling ratios. Custom coupling ratios are available up on request.

Single mode couplers:
Single mode couplers split light from one fiber into two or combine light from two fibers onto one fiber with minimum loss. This feature of single mode couplers, which allows for duplex transmission on single fiber, is highly desirable in fiber optic network maintenance, administration and testing. Single Mode Couplers are available in standard wavelengths of 980nm, 1064nm, 1480nm, 1640nm. Custom wavelengths are available. Fig.1 depicts a typical spectral response of single mode couplers within 1300nm - 1800nm.

Tap couplers:
Tap couplers are extremely important in accessing the signal without altering the state of polarization of the signal. FONT's standard, wideband and wavelength flattened tap couplers are available in 1% to 5% coupling ratios with Polarization Dependent Losses (PDL) as low as 0.05dB.

While Single mode couplers are essential to the operation of fiber optic-based telecommunication networks, cable TV and Local Area Networks (LANs), they are also widely used in sensor technology, robotics technology and laboratory test and measurements. FONT's single mode couplers are available in variety of package styles.

Fig.1

For more information, contact:
Metrotek
Phone: (727) 547-8307
Fax: (727) 547-0687

E-mail: fiberoptics@metrotek.com

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