Adhesives for Optical Path Link-up

The refractive index can be accurately controlled within a range of 1.46-1.57±0.005 (Na-D).
Using ultraviolet ray curing makes alignment easy.
Very little adhesion loss due to heat or moisture, providing high durability.

Model# [Main ingredient]	Curing conditions [irradiation level & time]	Refraction index (*1)	Viscosity (cP)	Glass transition temperature Tg (°C)	Optical transmittance% [1.3um]	Bond Strength (kgf/cm²)	Special Features
Refractive Index Adjusting Material (High Tg) [Epoxy](*2)	30mW/cm² 10min	1.46~1.57	200~560	130~137	89~90	120~>180	Modulate the refractive index to specific values for the best level of transparency.
Refractive Index Adjusting Material (Low Tg) [Epoxy]	10mW/cm² 10min	1.45~1.57	200~560	49~67	86~90	>180	Modulate the refractive index to specific values for the best level of transparency.
GA700H (High Tg) [Epoxy](*2)	30mW/cm² 10min	1.46	252	138	93	94	At λ1.55um, adjusted to match silica glass
GA700L (Low Tg) [Epoxy]	10mW/cm² 5min	1.46	250	49	94	>200	At λ1.55um, adjusted to match silica glass
AT6001 [Acrylate]	10mW/cm² 10min	1.51	440	-3	91	>150	Telecordia standard (strong under high temperature and humidity, flexible)
AT8224 [Acrylate]	10mW/cm² 5min	1.51	180	111	89	>122	Telecordia standard (strong under high temperature and humidity, High Tg)
AT6390 [Acrylate]	10mW/cm² 5min	1.51	840	100	90	156	High endurance material, Tg > 100°C, High viscosity

*1 :	Na-D line after hardening.
*2 :	Content product is "Non-medical use, deleterious substance" (Please refer to MSDS for handling.)

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