A Division of EOT

Struthstraβe 2 D-55743 Idar-Oberstein

Germany www.fee-io.de | Email: info@fee-io.de

Tel: +49-(0)6781-21191

FAMILY CATALOG LASER MATERIALS APPLICATION

Yttrium Aluminum Garnets (YAG)

Neodymium-doped YAG (Nd:YAG)

Medical, Industrial, Scientific, Military

Undoped YAG (YAG)

Mirror substrate, Bonding endcaps

Erbium-doped YAG (Er:YAG)

Medical, Military, Commercial

Thulium-doped YAG (Tm:YAG) Medical, Commercial

Holmium-doped YAG (Ho:YAG)

Medical, Commercial, Sensing, Industrial

Chromium Thulium Holmium-doped YAG (CTH:YAG)

Medical, Commercial

Cerium-doped YAG (Ce:YAG)

Scintillation, Fluorescence standards

Chromium-doped YAG (Cr4+:YAG) Medical, Military, Industrial

Magneto-Optic

Terbium Gallium Garnet (TGG) Faraday Isolators

Ytterbium (Yb)-doped

Crystals

Calcium Aluminum Gadolinium Oxide

Femtosecond lasers & applications

Potassium Gadolinium Tungstate (Yb:KGW)

Femtosecond lasers & applications

Potassium Yttrium Tungstate (Yb:KYW)

Femtosecond lasers & applications

Yttrium Aluminum Garnet (Yb:YAG)

Industrial & Scientific applications

Lutetium Aluminum Garnet (Yb:LuAG)

Industrial & Materials Processing applications

Nonlinear Optics &

Piezoelec-tric Crystals

Barium Titanate (BaTiO3) Photorefractive effects, Substrates, Piezoelectricity

Sodium Bismuth Titanate-Barium Titanate (NBT-BT) Piezoelectricity

Lithium Tetraborate (LTB) Nonlinear Optics

FEE’s high quality standards in manufacturing laser and nonlinear crystals are the result of intensive research and development activities in order to improve crystal growth processes and to develop new materials. FEE offers custom manufacturing of laser rods, slabs, discs, and YAG optics for low volume development efforts or high volume production needs. FEE’s expertise includes:

The Czochralski growth equipment of FEE is capable of controlling the diameter of the crystals during the growth process, based on high sensitivity weighing devices and custom-made software.

Czochralski Pullers

Top-seeded solution growth equipment is available for growth in various atmospheres at temperatures up to 1600°C. Diameter control via crystal weighing is imple-mented for a wide range of growth rates.

Top-seeded Solution Growth

• Czochralski Oxide growth and Top-seeded Solution Growth • Flat interface Czochralski Oxide growth • Crystal Engineering • Optical Contacting and Diffusion Bonding • High-precision fabrication and polishing of laser rods, slabs, and discs • Advanced Optical Metrology

• Interferometer • Refractometer • Spectrophotometer • Polarization Microscope • X-ray Diffractometer

• Mechanical Probing of Surface Roughness

• Mechanical Probing of Cylindricity • Profile Projector • Extinction Ratio

High quality CTH:YAG with 2.1 µm emission wavelength. An excellent choice for medical laser applications.

Crystals for diode-pumped solid state lasers: • Yb:CALGO • Yb:KGW • Yb:KYW

Medical, industrial, and scientific end-use applications: • Nd:YAG • Yb:YAG • Er:YAG4 • Tm:YAG • Ho:YAG • Ce:YAG

Materials available for bonding: • Nd:YAG • CTH:YAG • Er:YAG • Yb:YAG • Cr4+:YAG

Single and Double-sided Polishing Stations

Crystal Growth

Diffusion Bonding

FEE has custom-built single and double-sided polishing machines. Using proprietary processes, well-trained opti-cians are able to achieve critical optical specifications. FEE is a one-stop crystal polishing and fabrication production workshop.