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OEM Ceramic Reflectors

OEM Ceramic Reflectors

Ceramic Reflector (Ceramic Diffuse Reflector) Ceramic reflectors are recently used in laser pump chambers. Its main advantages are long life time. Description A porous alumina ceramic of99.7% Al2O3content, used extensively for long-life laser reflectors. This material is sintered at high...

Ceramic Reflector (Ceramic Diffuse Reflector)

Ceramic reflectors are recently used in laser pump chambers. Its main advantages are long life time.

Description

A porous alumina ceramic of99.7% Al2O3content, used extensively for long-life laser reflectors. This material is sintered at high temperatures to achieve a controlled porosity.

Prime features

Typical applications   Pumping chambers for Nd:YAG lasers — low to high power, single or multiple lamp designs. Pumping chamber reflectors of this material are virtually indestructible, and prove a highly cost effective alternative to metal coated types.

Specifications

Production capabilities

Physical properties*

Reflectance curve

  • Surfaces can be sealed and coated with a solarization-resistant glaze to give high bulk refectivity

  • 97.8% reflectance efficiency at 1000nm

  • Reflectance efficiency exceeds 96% across the wavelength range 500-2000nm(see curve)

  • Controlled porosity

  • Good thermal conductivity

  • High electrical resistivity

  • Quality Assurance to BS EN 9001:2000

  • Components up to 250mm long and 80mm wide/diameter manufactured as standard

  • Larger components manufactured to development contracts

  • One-piece or split-cavity designs

  • Prototype, batch and volume production.

  • Color:White


  • Bulk density (fired), Mg/m3 :3.2


  •   Porosity (apparent), % nominal:20


  •  Flexural strength (ASTM C1161, 3-point), MPa:150


  •  Thermal expansion coefficient


  •  200-500C, 10-6/C 7.9  


  • 200-1000C, 10-6/C9.0

  • (Efficiency:Wavelength, from independent tests carried out at the UK's National Physical Laboratory)

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