High Reliability Fused Fiber Optic Components

Product number: SW11344

Manufacturer: Gooch & Housego

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Product information "High Reliability Fused Fiber Optic Components"

955-1620 nm; Number of Legs 1x2, 2x2; RL >50->55 dB; Optical Power Handling 4 W; Dimensions Ø3.0 x 50-85 mm

Gooch & Housego’s range of high reliability (HI-REL) fused fiber optic components are deployed in environments such as undersea and space where the costs of component replacement are prohibitive, and reliability is of premier concern. Gooch & Housego (G&H) is established as a supplier of these components to major undersea equipment manufacturers. G&H’s HI-REL capability is built upon the foundation of a long-established history of manufacturing very reliable components for land-based (or terrestrial) systems in volume.

Full facilities are available to carry out customer-specific HI-REL qualification programs, which can include accelerated ageing and Weibull analysis. Manufacturing is carried out on specially developed workstations. Advanced fiber management, in-process screening and customer-specific validation tests are implemented to further enhance component reliability.

Failure rates for undersea telecommunication systems and components are often described using a FIT rate (Failures in Time). The fused fiber couplers from our HI REL coupler range offer a very low 0.1 FIT rate, equivalent to one failure in roughly fifty thousand components in 25 years.

The ultra-low loss of G&H fused fiber components helps to promote low noise figure and improved system margin in undersea transmission systems. Components are supplied in regular (bare fiber), semi-ruggedized (ø0.9 mm sleeving) or custom housings, depending on the installation environment. Please contact AMS Technologies to discuss your specific requirements.

Services for HI REL customers include custom qualification programs, dedicated workstations, full traceability of materials and processing, advanced fiber management, and customer-specific validation tests. G&H high reliability fused fiber optic component types available include fused fiber couplers, tap couplers, wavelength division multiplexers (WDMs) and pump combiners:

FFC-xxxxHBxx0 series high reliability fused couplers are available for the 980 nm band (FFC-xx3xHB2x0) with coupling ratios of 5%, 10% or 50% and OFS–BFO5635–02 optical fiber as well as for C or L band (FFC-xxxxHB1x0) with coupling ratios of 2%, 5%, 10% or 50% and Corning SMF-28e+ Photonic optical fiber.

FFP-xx3xxxHx0 series high reliability fused polarization maintaining (PM) couplers are available for five wavelength ranges from 915 to 1599 nm with coupling ratios of 1%, 5%, 10% or 50% and 250 µm buffer Panda PM optical fiber.

FPU-XXX3XXHX0 series high reliability PM low ratio tap couplers tap-off low power from a signal path whilst maintaining polarization through the component. G&H proprietary PM manufacturing technology provides tap ratios as low as 0.01% with ultra-low loss and high polarization extinction ratio. These PM low ratio tap couplers are available for any operating wavelength from 1450 to 1620 nm with coupling ratios of 0.01%, 0.1%, 1%, 5% or 10% and Nufern PM14XX C-A optical fiber.

FFW-xC3xH2xx0 series high reliability wavelength division multiplexers (WDMs) are available for 1550 nm (C band) signal wavelength and pump wavelengths of 980 nm (FFW-5C3xH22x0, OFS BFO5635-02 optical fiber) as well as 1480 nm (FFW-3C3xH21x0, Corning SMF-28e+ Photonic optical fiber).

FPW-5C3xH2xx0 series high reliability 980/1550 nm PM wavelength division multiplexers (WDMs) combine multiple wavelengths of light in PM fiber whilst maintaining polarization. In common with all PM components, it is necessary to launch into either the slow or the fast axis to maintain polarization. For the G&H FPW-5C3xH2xx0 PM WDMs, specifications are based on slow axis launch, although fast axis versions are also available if requested.

PBC-xxxxxxxxx series high reliability polarization beam combiners enable the efficient combination of two orthogonally polarized sources of light into a common output fiber. This allows EDFA (Erbium Doped Fiber Amplifier) designers to double pump powers whilst ensuring pump redundancy should a pump failure occur, enabling higher power EDFAs and in turn greater data carrying capacity. Applications include high-power optical amplifiers and undersea systems. All ports consist of polarization maintaining fiber.

Key Features:

Established High Reliability Supplier
Manufactures Using HI-REL Methodology
Operating Wavelength Range: 955 to 1620 nm
Number of Legs: 1x2, 2x2, 2x2 Terminated
High Performance
High Optical Power Handling: 4 W
Low Loss
Return Loss: >50 to >55 dB
High Polarization Extinction Ratio (PER, Polarization Maintaining (PM) Components)
Slow Axis Operation as Standard, Fast Axis Operation on Request (PM Components)
Full Qualification Facilities Available
Customer-specific Compliance
Design Standard 0.1 FITs (Failure in 1 Billion Field Hours) For Most Components
Advanced In-process Testing
Ultra-low Loss Fused Components
Pigtail Length: 0.5 to 4 m
No Connector
Choice of Housings
Dimensions: Ø3.0 x 50 to 85 mm

Applications: Subsea Equipment; Terminal Equipment; Space; Defense and Avionic; Fiber Lasers; Erbium-doped Fiber Amplifiers (EDFAs); Raman Amplifiers; Coherent Optical Communications; Instrumentation; Harsh Environment; Satellite Laser Communications; Satellite On-board Optical Processing

Manufacturer "Gooch & Housego"

Gooch & Housego is a manufacturer of precision optical components and subsystems, enabling a number of key technologies such as crystal growth, electro optics, fiber optics, optical coatings, acousto optics and RF electronics. Formed from leading established companies in these complementary technologies, Gooch & Housego is a leading supplier to the world´s major optical and laser system manufacturers. Target markets include industrial laser, biomedical, defense and metrology.

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