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Adhesive for optical path coupling

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Feature

  • High-precision, wide-range refractive index control (accuracy: ±0.005, range: 1.456 to 1.567 (@589nm)) is possible
  • Also applicable to solder reflow treatment (260°C)
  • High moisture resistance

Example of use

Optical adhesive used for PLC/fiber bonding

屈折率整合型光学接着剤

Application example to silicon photonics


光路結合用接着剤 シリコンフォトニクス適用例
Connection example of silicon photonics waveguide and fiber array

Characteristic value

model number
[Main component]
viscosity
(mPa・s)
Curing conditions
[irradiation intensity, time]
refractive index
(*1)
Glass-transition temperature
Tg (°C)
Light transmittance %
[1.3um]
Adhesion strength
(kgf/ cm2)
Features
Refractive index adjusted product
(high Tg)
[Epoxy]
(*2)
250~2000 30mW/ cm2
10 minutes
1.458~1.567 140~150 89~90 >100 Adjust refractive index to specified value
Good transparency
Refractive index adjusted product
(Low Tg)
[Epoxy]
200~560 10mW/ cm2 10min 1.458~1.567 40~50 86~90 >100 Adjust refractive index to specified value
Good transparency
GA700H
(high Tg)
[Epoxy] (*2)
280 30mW/ cm2 for 10min 1.458 145 91 >247 Matches the refractive index of quartz glass at λ1.55um
GA700L
(Low Tg)
[Epoxy]
250 10mW/ cm2 10min 1.456 46 94 >154 Matches the refractive index of quartz glass at λ1.55um
AT6001
[Acrylate]
470 10mW/ cm2 10min 1.505 0 91 >99 Compliant with telecodia standards (high temperature and high humidity), flexibility
AT8224
[Acrylate]
145 10mW/ cm2 10min 1.505 115 89 >209 Compatible with Telecodia standard (high temperature and high humidity), high Tg
*1...Sodium D line after curing
*2...This product contains "Non-medicinal deleterious substances" (Please refer to SDS (MSDS) for handling)

The characteristic values in the table are sample measurement values, not guaranteed values.

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