Transcript BeAll and Kuraray Face to Face Meeting

About Kuraray WLS Fibers
Yuki Shiomi
Kuraray Co., Ltd.
2005/10/31
Kuraray Confidential
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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 Materials
SCSN
Description
SCSN-61
SCSN-81
Light Output
55% Anthracene
50% Anthracene
Emission Peak
430nm
440nm
Att. Length
0.92m
1.40m
Decay Time
2
2.5ns
Softening Point
95℃
SCSF
Description
SCSF-78
SCSF-81
SCSF-3HF
Color
blue
blue
green
Emission
Peak
437nm
450nm
530nm
Color
green
orange
Emission
Peak
476nm
538nm
Decay Time Att. Length
Spectra
2.4ns
2.8ns
7
>3.5m
>4.0m
>4.5m
WLS
Description
Y-11(200)
O-2(100)
Att. Length Att. Length
Spectra
>3.5m
>1.5m
>3.5m
>4.0m
CLEAR Fiber
Description Att. Length
Clear PS
>10
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1mm D
1m=1g
Past Experiments
Expe rime n t
Time
CDF
1992～1993
D0
KLOE
CHORUS
CMS
ATLAS
K2 K
MINOS
Cu stome r
Fermilab
KEK
Tsukuba Univ.
1996～1998
Fermilab
1994～1995
1993、1996
I.N.F.N.
CERN
Nagoya Univ.
1998～1999
CERN
1999～2000
1997
2000～2002
STAR- EMC 1999～2003
STAR- EEMC 1999～2003
LHC- b
CERN
KEK
Fermilab
Caltech
Indiana Univ.
BNL
BNL
2001～2002
CERN
K2 K addition
2002
OPERA
2003～2004
LHC- b
2004
KEK
IN2P3
CERN
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Spe c ific ation
Qu an tity(kg)
Y-11(250)M,0.83D.
18
SCSF-3HF,0.83D.
Clear-PSM、他
Y-11(250)M,0.835D.
14
Clear-PSM,0.835D.
740
SCSF-3HF(1500)MS,0.83D.
50
SCSF-81,1.0D.
6000
SCSF-81,1.0D.
250
SCSF-78,0.495D.
120
Y-11(250)MS-35,0.94D.
66
Clear-PSMS,0.94D.
130
Y-11(200)MS,1.0D.
960
SCSF-78M,0.692D.
560
Y-11(175)M,1.2D.
1200
Clear-PSM,1.2D.
1600
CLEAR-PSM,0.9D.
CLEAR-PSM,0.9D.
Y-11(200)M,0.83D.
Y-11(250)M,1.2D.
CLEAR-PSM,1.2D.
Y-11(200)M,1.5D.
Y-11(175)M,1.0D.
CLEAR-PSM,1.0D.
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150
110
21
430
18
180
300
60
Total 13,000kg
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Structure and Material of the Fiber
Round Fiber
[Single cladding]
Square Fiber
[Multi cladding]
[Single cladding]
Outer Cladding
Inner Cladding
Cladding
Core
Core
T
D
T=3% of D
NA=0.55
Trapping Efficiency=4.2%
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Cladding
T
To
Ti
D
T=3%(To)+3%(Ti) of =6% of D
NA=0.72
Trapping Efficiency=5.4%
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Core
T
SQ
T=3% of SQ
NA=0.55
Trapping Efficiency=4.2%
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Transmission Mechanism of Multi Cladding Fiber
[Y-11 Multi cladding]
Outer Cladding
Single/Inner Cladding
Blue Light
Core
２６．７゜
４５．７゜
Green Light
◆Multi cladding fiber has 50% higher light yield than single cladding fiber
Material
Refractive Index Density (g/cm)
Core
Polystyrene
nD=1.59
1.05
Single/Inner Cladding Polymethylmethacrylate
nD=1.49
1.19
Outer Cladding
Fluorinated Polymer
nD=1.42
1.43
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Individual Specifications
Spool
300mm
900mm
fiber D >=0.6
fiber D <=0.5
large spool
small spool
about 1600g of fiber/spool
10,000km of 1.0mm D fibers
- 6,250 spools of 1600m +- several 100m
Cut
Fiber D >=0.8
Cut length 0.5m to 5m
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Individual Specifications
Diameter
Laser Diameter Apparutus
(final measurent)
Laser Diameter Apparutus
(feed back control)
Measurement frequency
Average
Tolerance
50,000 pts
+- 1% of D
3б/D=2.5%
1.0mm D fiber
Average +-0.01
Standard Deviation RMS=<0.007mm
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Individual Specifications
Bumps
over +-2% of average D
The number, position, diameter, length will be specified.
Making a red mark on all bumps is possible.
Number of 2% bumps =< 50 per km
Number of 4% bumps =< 15 per km
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Individual Specifications
Eccentricity
Measure 2 points by micrometer
(Dmax-Dmin)/(Dmax-Dmin)<1.5%
[(Dmax-Dmin)/<3%]
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Attenuation Length and Light Output (Measurement Method)
2 sample fibers of 3m for every spool
Pin
Test Fiber
(measures every 10 cm)
3m
sample fiber
Hole
PMT
HAMAMATSU Type R647
(Bialkari Photocathode)
Black BOX
ElectroMagnetic Shutter
Blue LED
Stepping
Moter
Si-PD
(For
Photod
feedback control
to LED)
Printer
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Linear Guide
Moving Linear Stage
PC
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Individual Specifications
Attenuation Length
Y-11(200) A.L. of all fibers > 3.5
The A.L. of every sample throughout the whole order
RMS/Ave =< 10%
example:Y-11 1.0D., non-S type with different concentrations
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PMT Voltage(mV)
7
6
Y-11(60)
Y-11(100)
Y-11(150)
Y-11(250)
Y-11(400)
5
4
3
2
1
0
0
50
100
150
200
250
300
Distance(cm)
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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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MINOS Measurement Method (A. L. and Light
Output)
10m long fiber test apparatus (measure 21 points)
All the values of the 21 points of the samples measured >=85%
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Bending Loss (Measurement Method)
2 sample fibers of 3m for every spool
②
FC Connector
①
Sample Fiber
(3 m)
③
100φ
Black Box
100φdrum
1 turn
①Halogen Lump House(non monochromated light)：ANRITSUＧＡ－９２２Ａ
②Power Meter：ANRITSU ＭＬ９１０Ａ
③Si-PD detector：ANRITSU ＭＡ９８０２Ａ
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Individual Specifications
Bending Loss
Bending Loss of all the samples=<5%
The Minimum bending diameter we recommend on safety side and long term reliability
Type
２mmφ
1mmφ
0.8mmφ
S Type
200mm
100mm
80mm
Non-S Type
400mm
200mm
160mm
*S type – stronger against cracking, but has 10% shorter A.L.
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0.5mmφ
50mm
100mm
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Production Capacity
Kuraray’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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Contact Address
Yuki Shiomi (sales)
[email protected]
Osamu Shinji (technical)
[email protected]
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