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Gallium Arsenide Lenses

The gallium arsenide lens uses a single-point diamond ultra-precision multi-axis free-form surface processing machine tool, and is processed through ultra-high-precision single-point turning, grinding, measuring, ultra-high-precision polishing and other processes. Under precise control of the machine tool and processing environment, To achieve ultra-high precision processing in the plastic domain of optical aspheric surfaces, ultra-high precision correction polishing technology is used to polish the lens surface to achieve an infrared aspheric lens with an optical aspheric surface shape accuracy ≤ 0.1 micron and a surface roughness Ra ≤ 0.01 micron.

gallium arsenide lens
gaas lens

Specifications of Gallium Arsenide Lenses

Gallium Arsenide Lenses product parameter table
ProjectIndicator requirements
1. MaterialGallium Arsenide materials
2. DiameterOD<100mm OD±0.025 or according to customer requirements
3. Center thicknessT±0.01 or according to customer requirements
4. Effective focal lengthaccording to customers needs
5. Working distanceaccording to customers needs
6. Effective apertureED>80% aspheric area
7. CoatingAR coating R<0.5% @λnm
8. Surface shapeUltra-high precision Rt≤0.1μm, high precision Rt≤0.5μm, precision Rt≤1μm
9. Surface quality60-40, 40-20, 20-10

Features of Gallium Arsenide Lenses

Features of Gallium Arsenide Lenses
  • ne-stop customized production: Solar Valley processes various plano-convex, biconvex, and convex-concave structure gallium arsenide lenses according to customer requirements. The shape of the gallium arsenide lens can be circular, D-shaped, square, etc.

  • Material: Gallium arsenide is a semi-insulator. It can replace zinc sulfide to make lenses and tail mirrors in high-power continuous CO2 laser systems. Gallium arsenide can be particularly useful in applications where toughness and durability are important.

  • Lens properties: Gallium arsenide lenses have good chemical stability, high hardness, and are resistant to harsh application environments. When the on-site environment is poor and the optical lens or window needs to be wiped repeatedly, gallium arsenide (GaAs) is often used An alternative to zinc selenide (ZnSe) as a material for infrared lenses or windows

    Product indicator description:

    1. Maximum dimensions of circular gallium arsenide lens: OD<φ100mm

    2. Maximum dimensions of square gallium arsenide lens: L×W<65×65mm

    3. Gallium arsenide lenses can reach the following accuracy levels according to customer requirements:

    Ultra-high precision grade: surface error <0.1μm, surface roughness <0.01μm

    High precision grade: Surface error <0.5μm, surface roughness <0.05μm Precision grade: Surface error <1μm, surface roughness <0.1μm

  • Surface defect grade: 60-40, 40-20, 20-10. Produced according to customer requirements.

  • Coating: Coating is carried out according to customer requirements, and no coating or a variety of broadband anti-reflective coating options are available.

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