G&H is a global leader in photonics technology. Our expertise extends from research through the development of prototypes to volume manufacturing and enables innovation and effective manufacturing in the aerospace and defense, industrial and telecom, life sciences and biophotonics sectors.
Researching and manufacturing in 13 sites across the USA, UK, and Asia, G&H are experts across a uniquely broad range of photonic technologies – crystal growth, optical materials processing, acousto-optics and electro-optics, fiber optics (active, passive and modules), DFB lasers and modules, precision optics (thin-film coating, birefringent optics, nonlinear, planar and aspheric), RF driver electronics, and opto-mechanical assemblies.
When combined with the company’s optical, mechanical, electronic and software design capabilities, G&H is able to provide complete optical system design services.
G&H product lines:
Acousto-Optics
Beam Deflectors
Fiber-Q
® Fiber Coupled Modulators
Frequency Shifters
Q-Switches
Modulators
Multi Channel Modulators
Pulse Pickers and Cavity Dumpers
Tunable Filters
RF Drivers
Crystal Optics
LiN wafers
Nonlinear optics

PPLN
Electro-Optics
Pockels cells and drivers
LN Q-Switches
Fiber Optics
Benchtop laser controllers

DFB lasers and modules
Fiber optic components
Erbium-doped fiber amplifiers
High speed detectors
Pump lasers
OCT and fiber optic assemblies
Precision Optics
Precision prisms
Corner cubes
Precision lenses
Infrared lens assemblies
Precision Mirrors
Synchrotron mirrors
Plate and cube beamsplitters
Windows and optical flats
Waveplates
Superpolished SROC
Ring laser gyroscope components

Infrared optics
Optical Domes
Telecom optics
Systems
Complex optomechanical assemblies
Contract manufacturing medical and life sciences systems
Electro-optic sighting systems/periscopes
Lens assemblies for imaging the infrared