DIAMOND Power Solution
description
Transcript of DIAMOND Power Solution
© DIAMOND SA / Titan und Krokodil / 08-06 / 1© DIAMOND Headquarters / E-2000™ & F-3000™ PS / 07-08 / 1
DIAMONDPower Solution
Fiber optic interface for high power applications
© DIAMOND SA / Titan und Krokodil / 08-06 / 2© DIAMOND Headquarters / E-2000™ & F-3000™ PS / 07-08 / 2
Why and how to obtain a high power fiber optic connector
© DIAMOND SA / Titan und Krokodil / 08-06 / 3© DIAMOND Headquarters / E-2000™ & F-3000™ PS / 07-08 / 3
Why a high power fiber optic connector?The following questions must be answered:
Which are the most common installations today? What are future market requirements? What are the most important parameters of an optical connector?
We believe the answers are as follows:
Communication networks are getting bigger, and the information traffic every day denser. The maximal power used in common fibers has now increased to 500 mW or even more.
Dense Wavelength Division Multiplexing (DWDM) technology allows sending many different signals in the same line, each of them having a certain amount of power, which added up in the main cable make it reach high power values.
An up-to-date connector must be suitable for long distance transmissions and customer access furthermore present easy and secure handling, excellent as well as repeatable optical parameters, also under rough conditions.
© DIAMOND SA / Titan und Krokodil / 08-06 / 4© DIAMOND Headquarters / E-2000™ & F-3000™ PS / 07-08 / 4
High quality manufacturing process
Computer assisted active core alignment
extremely reduced core eccentricity
high precision tilt angle measurement
guarantee of higher random mating repeatability
low connection lossesLow energy dispersion
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Safety trough connectors’ protection cap Black chrome-plated metal
protection cap as a standard component for E-2000™ and F-3000™ connector families.
Fully respects of current security requirements
Suitable for high power applications
The black chrome plated metal cap features superior protection than any other previous solutions, presenting high optical isolation and very resistant construction.
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Carbon reinforced protection caps for E-2000™& F-3000™ PS mating adapters
Fully respects of current security requirements
tested 24 Std. with 1 W power (E-2000™)
superior protection against undesirable radiation thanks to its high optical isolation
reduced temperature increase thanks to better thermal dissipation
Safety trough adapters’ protection cap
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High power technology
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High Power Connector
As the silica doesn't absorb the light, it doesn’t warm up and so there is no risk inside the fiber. The critical location is at the connections. At the junction, the fiber could be contaminated by dust or any kind of dirt, and the material deposited on the fiber will absorb part of the light and might warm up to a very high temperature, and hence there is a risk of damaging the fiber.
In order to have a solution suitable for high power applications with max. target power at 3 W, Diamond has developed a special E-2000™ PS & F-3000 PS connectors based on standard components.
Within the fiber core, which has a diameter of 9 µm, using a power of 1 W, the superficial power density reaches a value of roughly 10-15 GW/m2. (Solar surface power density is 62.6 MW/m2)
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core diameter 9 m
transmitted power 1 W
power density 15 GW/m2
diameter of dirt particle 1 m
estimated temperature 2000 °C
Simulation:
burnt SM fiber
Standard SM fiber A perfectly cleaned connector can withstand up to 1 W without problems With a slightly contaminated connector, the dirt particles will absorb light and convert it to heat
Danger: the fiber could melt and collapse
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core diameter 40 m
transmitted power 1 W
power density 1 GW/m2
diameter of dirt particle 1 m
estimated temperature 400 °C
Simulation:
Singlemode:
(spot 9 m)
High Power:
(spot 32 m)
Fiber with expanded beam
Solution: increase the mode field diameter at the connector interface
the power density is lowered to a harmless value
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Execution: use of a gradient index fiber (acts as a lens) to enlarge the spot
SM fiber GRIN fiber SM fiberGRIN fibersplice splice
connector 1 connector 2
10 GW/m2
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0.1
Computer simulation:
Fiber with expanded beam
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High power production process
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Fiber splicing
Splicing of MM to SM fibers is critical because of material difference Diamond ZEUS fusion splicer
with multimode and SM fiber capability
Fiber-to-fiber alignment on 125µm diameter
ZEUS fusion splicer Multimode to single mode splice
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Fibers after cleavageCleaver with video camera
High precision fiber cleaver The fiber must be cleaved at the right distance (defines the focal length!)
Fiber cleaver including microscope and video camera for precise length measurement and splice quality assessment
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First crimping device
Ferrule holder
Centering and Curing
The fiber must be glued within the ferrule in the right position
Special ferrule holder for the glue polymerization within standard oven
Multimode fiber is very sensitive to stress because of larger core diameter
Ferrules are pre- crimped (1° crimping) with metal wire
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Collimation measurementExpanded beam connectors are very
sensitive to the focal lengthCCD camera to measure the collimation during polishing steps
Measurement of diameter
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Pre-polishing (0°) High power connectors need
polishing process to optimize the length of the multimode fiber
Manual polishing steps
Pre-polishing
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Active angle alignment Angular misalignment induces high insertion loss because of lens system
second crimping device: crimping is carried out to straighten the output beam direction, not to reduce core eccentricity which is less critical
before 2nd crimping: angle=0.5° IL=1.5 dB
after 2nd crimping: angle<0.1° IL<0.5 dB
Second crimping device
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Final polishing (APC 4°)
Automatic final polishingAPC 4° polishingAchieve the right geometrical parametersEnsure optimal Return Loss
Polishing machine
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Technical specification Sinlge Mode 4° APC Units Test conditions
Insertion Loss (IL) E-2000™ typ 0.2 max 0.6 dB IEC 61300-3-4; 1550nm Random
Insertion Loss (IL) F-3000™ typ 0.3 max 0.7 dB IEC 61300-3-4; 1550nm Random
Insertion Loss (IL) typ 0.2 max 0.4 dB IEC 61300-3-4; 1550nm Against ref.
Repeatability of IL max +/- 0.1 dB IEC 61300-2-2; 1300nm/ 1550nm
IL vs. wavelength max +/- 0.1 5 dB IEC 61300; from 1300nm to 1550nm
Return Loss (RL) MM min 75* dB IEC 61300-3-6; 1300nm/ 1550nm
Operating Temperature -40 / + 85 ** °C
Storage Temperature -40 / + 90 * °C
* Measured with high resolution reflectometer
** May be further limited by cable specifications.
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Transmission efficiency Wavelength dependence: IL/ max. 0.15 dB/100 nm
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The product family
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E-2000™ & F-3000™ PS family Use of the same basic parts to offer reliable optical and mechanical
performances.
The PS connectors are suitable for Simplex, as well as for Backplane applications, thanks to the high-tech modular design of their components.
E-2000™ PS Simplex
F-3000™ PS Simplex F-3000™ PS Backplane
E-2000™ PS Backplane
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Mating adapters with integrated spring loaded metal shutters
Additional safety for the operator Protection against sleeve
contamination
Integrated protective metal cap
Protection against eye-damaging laser radiation
Reduction of dust and scratches of ferrule front-faces
Integration of Expanded Beam Technology within Diamond’s composite ferrule
Standard connector with reduced sensibility to contamination
suitable for power up to 3 W and above
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High-tech modular designed components
Enables fiber- as well as cable termination (up to Ø 3mm)
High packing density (port spacing similar to RJ45 design)
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E-2000™ & F-3000™ PS Features & Benefits
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E-2000™ & F-3000™ PS Simplex connectors, ensure high quality performance, maintaining channel independence and flexibility.
Features of simplex connectors
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E-2000™ & F-3000™ PS Backplane connectors system, is also taking all the advantages of the E-2000™ / F-3000™ standard backplane offering up to 6 / 4 channels unit
Features of Backplane connectors
E-2000™ 6 channels
F-3000™ 4 channels
© DIAMOND SA / Titan und Krokodil / 08-06 / 27© DIAMOND Headquarters / E-2000™ & F-3000™ PS / 07-08 / 27
Applications
The DIAMOND PS is a very versatile connector technology, which can be used in many different applications:
Telecommunication Networks: High bit-rates and long transmission distances DWDM Systems (high optical power up to 3 Watts) Data Processing Networks
Within harsh environments (with standard optical power up to 500mW):
Thanks to the connector less sensitivity to contamination
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Information label with safety precautions
Cleaning, handling and safety information within cable or pigtail package
Safety information for Power Solution connectors
© DIAMOND SA / Titan und Krokodil / 08-06 / 29© DIAMOND Headquarters / E-2000™ & F-3000™ PS / 07-08 / 29
Safety Video Inspection Microscope
The ideal device to ensure safety during front-face connector inspection
Detailed ferrule inspection enabling better assessment for cleaning