Polarization Maintaining Fiber

PMF-633-B1

High birefringence
Low attenuation
Bow-tie stress structure design
Superior polarization maintaining properties
Excellent product consistency

StockerYale’s PMF-633-B1 is a polarization maintaining fiber designed for optimal performance in visible wavelength polarization sensitive applications. The fiber features an operating wavelength of 633 nm and a beat length of < 1.5 mm. Its bow-tie stress structure provides high birefringence while maintaining excellent consistency. We can also custom design this fiber to meet your specific design requirements.

Applications:

Fiber optic sensors
Laser delivery in spectroscopy, medical and metrological applications
Polarization-sensitive components

Specifications

Product code	PMF-633-B1

Type of fiber	Bow-tie polarization maintaining fiber

Operating wavelength	633 nm

Cut-off wavelength	< 620 nm

Mode field diameter @ 633 nm	4.0 ± 0.5 µm

Numerical aperture	0.14 nominal value

Attenuation @ 633 nm	< 12 dB/km

Beat length @ 633 nm	< 1.5 mm

Outer cladding diameter	125 ± 1 µm

Coating diameter	245 ± 10 µm

Core/cladding concentricity	< 1.0 µm

Proof test level	100 kpsi

Coating type	UV-cured dual acrylate

For more information contact us at or call a sales representative at (603) 870-8286.