... 980 1064 1480 We provide single mode optical couplers at special wavelengths. These couplers work at wavelength of 460nm, 532nm, ... 630/633nm, 830nm, 1064nm, 1625nm etc. These couplers are fabricated utilizing low-loss fused coupler techniques using single ... contact us to discuss your specific requirements.Features:Special singlemode couplers with central wavelengths at 460, 532, 630, 830, 980 ...