Contact

Laser Components (UK) Ltd.
Goldlay House,
114 Parkway,
Chelmsford Essex CM2 7PR
United Kingdom
Phone: +44 1245 491 499
E-Mail:info@lasercomponents.co.uk

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Optimised Centricity in Free-Standing Fibres

Photonics News No 48

UK48-0110

In laser technology, optical output power often has to be coupled into optical fibres, and with as little loss as possible. Fibres with core diametres between from 200 µm to 1500 µm are commonly used to transmit laser power. We can assemble these fibres with either SMA or D80 connectors according to your custom requirements.

To avoid unwanted scatter from stray light, it is necessary to assemble ferrules with free-standing fibres by using a shorter ferrule. This allows any misdirected light that does not couple into the fibre to pass outside the ferrule and is effectively ‘beam dumped’ into the void surrounding the ferrule within the connector package.

One quality criterion in such assemblies is the centricity of the fibre core to the ferrule’s outer diametre. This plays a particularly important role in connectors without a keyway, like those used in polarisation maintaining (PM) fibres. In production, we achieve an excellent centricity of <10 µm. This has a major advantage in field applications because assembled cables can be changed without any adjustment. To reduce the amount of reflections at the air/glass interface, we can also coat the fibre end faces if requested. The transmission of AR-coated fibres is improved by 3.5% to 4% per face.


Datasheet:

Manufacturer:
LASER COMPONENTS Germany / Fibre Optics

Contact:

Contact Person:    Chris Varney
Company:    LASER COMPONENTS (UK) Ltd.
Address:    Goldlay House 114 Parkway
Postcode / City:    CM2 7PR Chelmsford Essex
Phone:    +44 1245 491499
Fax:    +44 1245 491801
Email:    cvarney@lasercomponents.co.uk
 

SMA and D-80 Connector

Optical Fibres for Power Transmission with SMA or D-80 Connector

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info@lasercomponents.co.uk

Your contact person

Kay Cable

+44 1245 491499

kcable@lasercomponents.co.uk