YAP Substrate (YAlO3)

Yttrium aluminate (YAlO3 or YAP) single crystal is an important crystal matrix material similar to YAG single crystal with excellent optical and physical and chemical properties. YAP crystals doped with rare earth and transition metal ions are widely used in lasers, holographic memory, optical data storage, ionizing radiation dosimeters and high-temperature superconducting film substrates applications.

OST Photonics offers high quality YAP substrates for researchers and industries. Crystal orientation, size and thickness can be customized according to your requirements.

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Features

  • Excellent optical properties

  • Good mechanical properties

  • Excellent physical and chemical stability

Applications

  • Optical devices

  • Ionizing radiation dosimeters

  • Substrate material for high-temperature superconducting film

Processing Capability

  • Orientation: <100>,<110>,<111>,<010>,<001>, etc.

  • Dimension: 1”, φ30mm, 5x5mm, 10x5mm, 10x10mm, 20x20mm, etc.

  • Thickness: 0.5mm, 1.0mm, etc.

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

Specification and Properties of YAP Substrates

Crystal System

Monoclinic

Crystal Lattice Constant

a=5.176 Å, b=5.307 Å, c=7.355 Å

Melting Point

1870 ℃

Density

4.88 g/cm3

Dielectric Constant

16-20

Thermal Expansion Coefficient

(2-10)×10^-6 /K

Orientation

<100>,<110>,<111>,<010>,<001>, etc.

Orientation Tolerance

±0.5° or better

Dimension

1”, φ30mm, 5x5mm, 10x5mm, 10x10mm, 20x20mm, etc.

Dimension Tolerance

±0.1 mm or better

Thickness

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