Optics

YAG Family Crystals

Choose from virtually every type of YAG gain crystal to produce high-performance, high-power infrared lasers and other devices, such as passive Q-switches.

Coherent is a fully vertically integrated laser crystal manufacturer, with comprehensive crystal growth capacity, metrology to consistently minimize absorption, extensive coating facilities, in-house laser damage testing, and assembly capabilities.

YAG Crystal Capabilities

Specify crystal type, dimensions, coating requirements, and even assembly specifications.

Crystal Capabilities

Aperture/Length (mm)

Key Features

YAG 

Nd:YAG

Yb:YAG 

CTH:YAG

Er:YAG 

Tm:YAG

Ho:YAG 

Ce:YAG

Cr4+:YAG

50-85 (diameter)/50-150

Cr4+:YAG 40 (diameter)/50

Single and multiple bonding of YAG sections

Multiple options at 2 µm 

Polishing to scratch/dig 0-0 and < 4 Å RMS surface roughness

Ideal for high-power applications 

Large selection of fluorescence crystals