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Jiaxing AOSITE Photonics Technology Co.,Ltd.
gadolinium gallium garnet
gadolinium gallium garnet

GGG Substrate

OST Photonics is a leading manufacturer of Gadolinium Gallium Garnet (GGG) substrates and crystals. Our Gadolinium Gallium Garnet (GGG) products are known for their exceptional quality and performance. With its excellent thermal stability, high transparency, and low optical absorption, GGG is an ideal material for various applications, including laser technology, optical amplifiers, magneto-optical devices, and more.


Our GGG substrates are available in various sizes and thicknesses, catering to different customer requirements. The crystals are grown using advanced techniques, ensuring uniformity and high crystalline quality.

Application of GGG Substrate


  • Microwave isolators

  • Optical communication

  • Magnetic refrigeration


Advantages of GGG Substrate


  • Low optical loss

  • High thermal conductivity

  • High laser damage threshold

  • Good mechanical properties and chemical stability


Ability of GGG Substrate


  • Orientation:<100>,<110>,<111>, etc.

  • Dimension: 1”, 2”, 20x20mm, 10x10mm, 10x5mm, 5x5mm, etc.

  • Thickness: 0.33mm, 0.43mm, 0.5mm, 1.0mm, etc.

  • Available items: wafers, substrate, blanks, and customized optics


Specification and Properties of GGG Substrate


Crystal Structure

Cubic

Growth Method

Czochralski

Lattice Constant

a=12.376 Å, (Z=8)  

Melt Point

1800 ℃

Purity

99.95%

Density

7.09 g/cm3

Hardness

6-7 Mohs

Refractive Index

1.95

Orientation

<100>,<110>,<111>, etc.

Orientation Tolerance

±0.5° or better

Dimension

1”, 2”, 20x20mm, 10x10mm, 10x5mm, 5x5mm, etc.

Dimension Tolerance

±0.1 mm or better

Thickness

0.33mm, 0.43mm, 0.5mm, 1.0mm, etc.

Thickness Tolerance

±0.05 mm or better

Surface Finish

Single-side polished (SSP)/Double sides polished (DSP)

Surface Roughness

Ra≤5Å (5×5µm)

Package

Class 100 clean bag, Class 1000 super clean room


Contact Us
Welcome your presence, you can send us an email, we will get in touch with you within 24 hours.
Head Office: No. 66, 8 Group, Chengbei Village, Yanguan Town, Jiaxing 314411, China;

Hangzhou Branch: Room 1012, Chunhua Bussiness Center, No. 159, Hangbo Street, Shangcheng District, Hangzhou 310009, Zhejiang, China
Head Office: No. 66, 8 Group, Chengbei Village, Yanguan Town, Jiaxing 314411, China;

Hangzhou Branch: Room 1012, Chunhua Bussiness Center, No. 159, Hangbo Street, Shangcheng District, Hangzhou 310009, Zhejiang, China
sales@ostphotonics.com; info@ostphotonics.com +86-0571-86780460