2005/10/31kuraray confidential1 about kuraray wls fibers yuki shiomi kuraray co., ltd
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2005/10/31 Kuraray Confidential 2
Agenda
• Kuraray Methacrylate Company• Kuraray Scintillation Material • Past experiments• Structure and Material of the Fiber• Individual Specifications spool/cut/diameter/bumps/eccentricity/ attenuation length/light output/bending loss• Production Capacity• Question and Answers
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Methacrylate Company
Core Products– Methacrylic resin for molding
• light -guide plates for liquid crystal displays (LCDs)• automobile lamp covers, and lighting fixtures
– Methacrylic synthetic marble– Methacrylic resin sheets
• signboards, displays, large tanks for aquarium facilities• front panels for televisions and computer monitors
– Opto-screens • screens for rear-projection televisions (Fresnel lens and lenticular lens)
– Stampers• CD-R, DVD± R stampers• Stampers for light -guide of LCDs
– Scintillation Materials
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Kuraray Scintillation MaterialsSCSN
SCSF
WLS
CLEAR Fiber
Description Light Output Emission Peak Att. Length Decay Time Softening PointSCSN- 61 55% Anthracene 430nm 0.92m 2SCSN- 81 50% Anthracene 440nm 1.40m 2.5ns 95℃
Description Decay Time Att. LengthColor Peak Spectra
SCSF- 78 blue 437nm 2.4ns >3.5mSCSF- 81 blue 450nm 2.8ns >4.0mSCSF- 3HF green 530nm 7 >4.5m
Emission
Description Att. Length Att. LengthColor Peak Spectra
Y- 11(200) green 476nm >3.5m >3.5mO- 2(100) orange 538nm >1.5m >4.0m
Emission
Description Att. LengthClear PS >10
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Past ExperimentsExperiment Time Customer Specification Quantity(kg)
CDF 1992 1993~ Fermilab Y- 11(250)M,0.83D. 18KEK SCSF- 3HF,0.83D.
Tsukuba Univ. Clear- PSM、他D0 1996 1998~ Fermilab Y- 11(250)M,0.835D. 14
Clear- PSM,0.835D. 740SCSF- 3HF(1500)MS,0.83D. 50
KLOE 1994 1995~ I.N.F.N. SCSF- 81,1.0D. 6000CHORUS 1993 1996、 CERN SCSF- 81,1.0D. 250
Nagoya Univ. SCSF- 78,0.495D. 120CMS 1998 1999~ CERN Y- 11(250)MS- 35,0.94D. 66
Clear- PSMS,0.94D. 130ATLAS 1999 2000~ CERN Y- 11(200)MS,1.0D. 960K2K 1997 KEK SCSF- 78M,0.692D. 560
MINOS 2000 2002~ Fermilab Y- 11(175)M,1.2D. 1200Caltech Clear- PSM,1.2D. 1600
Indiana Univ.STAR- EMC 1999 2003~ BNL CLEAR- PSM,0.9D. 150STAR- EEMC 1999 2003~ BNL CLEAR- PSM,0.9D. 110
Y- 11(200)M,0.83D. 21LHC- b 2001 2002~ CERN Y- 11(250)M,1.2D. 430
CLEAR- PSM,1.2D. 18K2K addition 2002 KEK Y- 11(200)M,1.5D. 180
OPERA 2003 2004~ IN2P3 Y- 11(175)M,1.0D. 300LHC- b 2004 CERN CLEAR- PSM,1.0D. 60
Total 13,000kg
1mm D1m=1g
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Round Fiber Square Fiber
D
Cladding
Core
Inner Cladding
T
D
Outer Cladding
CoreTo
Ti
T
SQ
Core
Cladding
T
T=3% of DNA=0.55Trapping Efficiency=4.2%
T=3%(To)+3%(Ti) of =6% of DNA=0.72Trapping Efficiency=5.4%
T=3% of SQNA=0.55Trapping Efficiency=4.2%
Structure and Material of the Fiber
[Multi cladding][Single cladding] [Single cladding]
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45.7゜
Green Light
Blue Light
26.7゜
Outer Cladding
Core
Single/Inner Cladding
[Y-11 Multi cladding]
Density (g/ cm)1.051.191.43Fluorinated Polymer nD=1.42
CoreMaterial Refractive Index
nD=1.59nD=1.49Single/ Inner Cladding
Outer Cladding
PolystyrenePolymethylmethacrylate
Transmission Mechanism of Multi Cladding Fiber
◆Multi cladding fiber has 50% higher light yield than single cladding fiber
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900mm300mm
fiber D >=0.6 large spoolfiber D <=0.5 small spool
about 1600g of fiber/spool
Individual Specifications
Spool
Fiber D >=0.8Cut length 0.5m to 5m
10,000km of 1.0mm D fibers - 6,250 spools of 1600m +- several 100m
Cut
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Diameter
Laser Diameter Apparutus(feed back control)
Laser Diameter Apparutus(final measurent)
Measurement frequency 50,000 ptsAverage +- 1% of DTolerance 3б/D=2.5%
Individual Specifications
1.0mm D fiber Average +-0.01 Standard Deviation RMS=<0.007mm
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Bumps
over +-2% of average D
Number of 2% bumps =< 50 per kmNumber of 4% bumps =< 15 per km
The number, position, diameter, length will be specified.Making a red mark on all bumps is possible.
Individual Specifications
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Eccentricity
(Dmax-Dmin)/(Dmax-Dmin)<1.5%[(Dmax-Dmin)/<3%]
Measure 2 points by micrometer
Individual Specifications
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Test Fiber HAMAMATSU Type R647(Bi al kari Photocathode)
Si - PDPhotod
El ect roMagnet i c Shut ter
Bl ue LED
PMT
Pi n Hol e
PC
(For f eedback cont rol t o LED)
Pr i nter
Bl ack BOX
Steppi ng Moter
Movi ng Li near Stage
Li near Gui de
(measures every 10 cm) 3m
2 sample fibers of 3m for every spool
sample fiber
Attenuation Length and Light Output (Measurement Method)
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Attenuation Length
0
1
2
3
4
5
6
7
8
0 50 100 150 200 250 300
Distance(cm)
PM
T V
olta
ge(m
V)
Y- 11(60)Y- 11(100)Y- 11(150)Y- 11(250)Y- 11(400)
example:Y-11 1.0D., non-S type with different concentrations
Individual Specifications
Y-11(200) A.L. of all fibers > 3.5The A.L. of every sample throughout the whole order RMS/Ave =< 10%
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Individual Specifications
Light Output
The L.O. at the 140cm of every sample throughout the whole order RMS/Ave=<7%
The L.O. at the 285cm of every sample throughout the whole order RMS/Ave=<15%
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10m long fiber test apparatus (measure 21 points)
All the values of the 21 points of the samples measured >=85%
MINOS Measurement Method (A. L. and Light Output)
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①Halogen Lump House(non monochromated light) : ANRITSU GA-922A②Power Meter : ANRITSU ML910A③Si-PD detector : ANRITSU MA9802A
2 sample fibers of 3m for every spool
Bending Loss (Measurement Method)
②
①FC Connector
Sample Fiber (3 m)
Black Box
③
100φdrum1 turn
100φ
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Bending LossBending Loss of all the samples=<5%
The Minimum bending diameter we recommend on safety side and long term reliability
Type mmφ2 1mmφ 0.8mmφ 0.5mmφS Type 200mm 100mm 80mm 50mm
Non- S Type 400mm 200mm 160mm 100mm*S type – stronger against cracking, but has 10% shorter A.L.
Individual Specifications
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Production CapacityKuraray’s capacity of producing 10,000km of 1mm D fiber
Current capacity 74 months
Equipment capacity 26 months
The best we can do 16 months
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Yuki Shiomi (sales)[email protected]
Contact Address
Osamu Shinji (technical)[email protected]