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Fixed Fiber Optic Attenuator

Fixed Fiber Optic Attenuator

Product catalog summary

Overview: The document provides technical specifications and ordering information for Newport's fiber optic components, including fixed fiber optic attenuators and polarization maintaining couplers.

Fixed Fiber Optic Attenuators:

Series: F-FIA and F-ADAT.
Features: Low return loss, high mode stability, and various attenuation values (3, 5, 10, 15, 20 dB).
F-FIA Series: Dual window use at 1310 and 1550 nm, attenuation accuracy of <±0.3 dB for values up to 10 dB, and <±0.5 dB for 10–20 dB.
F-ADAT Series: Optimized for 1310 or 1550 nm, bandwidth of ±40 nm, attenuation accuracy of <±1.0 dB for values <10 dB, and <±10% for values >10 dB.
Connector Options: Various connector styles including ST/SPC, FC/SPC, FC/APC, SC/SPC, SC/APC.

Fixed Ratio Polarization Maintaining Couplers:

Series: F-PMC.
Features: Utilizes evanescent wave coupling, high polarization isolation, low insertion loss, and low temperature sensitivity.
Specifications: Coupling ratios of 1/99, 10/90, or 50/50, insertion loss of 0.05 dB typical, excess loss <0.1 dB, polarization extinction ratio -24 to -27 dB, back reflection <-70 dB.
Design: Small silicone rubber package for low stress contact over a broad temperature range.

Catalog excerpts

374 Phone: 1-800-222-6440 • Fax: 1-949-253-1680 P h o t o n i c s a n d I n s t r u m e n t a t i o n POLARIZATION MEASUREMENT AND CONTROL OPTICAL FIBERS FIBER OPTIC COMPONENTS LASER DIODE MOUNTS LASER DIODE CONTROL AND ACCESSORIES EDUCATIONAL KITS Fixed Fiber Optic Attenuators F-FIA Series F-ADAT Series Newport’s Single-Mode Fixed Attenuators offer low return loss, high mode stability and a variety of attenuation values: 3, 5, 10, 15 and 20 dB. The F-FIA Series In-Line Attenuators are configured for dual window use at both 1310 and 1550 nm. Attenuation accuracy is <±0.3 dB for values up to 10 dB, and <±0.5 dB for values 10–20 dB. The one-meter fiber pigtails can be terminated in any one of 5 connector styles. • Compact and rugged adaptor style attenuators • Low return loss • High mode stability • Variety of connector styles Ordering Information Note: Please call Newport for pricing. The F-ADAT Series Adaptor Type Attenuators are optimized for operation at either 1310 or 1550 nm and have a bandwidth of ±40 nm. These compact attenuators have a male connector at one end and a female connector at the other end, enabling them to be placed in the optical path without additional fiber pigtails and connectors. Attenuation accuracy is <±1.0 dB for values less than 10 dB, and <±10% for values greater than 10 dB. Connector Options Connector Code Wavelength (nm) Code Attenuation (dB) Code ST/SPC 30 1310 13 3 03 FC/SPC 50 1550 15 5 05 FC/APC 55 10 10 SC/SPC 70 15 15 SC/APC 75 20 20 In-Line Attenuator Adaptor Style Attenuator F-FIA-OPT- -- Input Connector Code Attenuation Code Output Connector Code F-ADAT- -- Wavelength Code Attenuation Code Connector Code Fixed Ratio Polarization Maintaining Couplers The F-PMC Series Polarization Maintaining Couplers utilize evanescent wave coupling to provide a fixed ratio 2x2 coupler, with high polarization isolation and low insertion loss. These couplers enjoy inherent advantages because there is no deformation in the waveguide cores. Furthermore, since the two optical halves are placed in direct contact with each other these couplers are more resistant to aging and environmental effects. The F-PMC comes in a small, specially designed silicone rubber package that allows low stress contact of the fiber halves over a broad range of temperatures. Several different wavelength versions are available in 1/99, 10/90 or 50/50 coupling ratios. All the couplers have standard 1m pigtails and FC/APC connectors. Stress Members Evanescent wave coupling is achieved by placing the two fiber halves in direct contact with each other • Low insertion loss • High polarization isolation • Low temperature sensitivity Specifications Coupling Ratio, Typical 50/50 ±3% Insertion Loss (dB) 0.05 typical; 0.2 max. Excess Loss, Maximum (dB) <0.1 Polarization Extinction Ratio (dB) -24 to-27 Back Reflection (dB) <-70 Dimensions [in. (mm)] 0.8 x 0.14 x 0.14 (20.3 x 3.6 x 3.6)

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Fixed Fiber Optic Attenuator

Fixed Fiber Optic Attenuator

Catalog excerpts

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