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Singlet Lenses

Single lens is the basic component of optical system, used in imaging, collimation, focusing and other applications; Tianyang Valley manufacturing capacity includes flat convex, flat concave, double concave, double convex, convex single lens, material selection range including optical glass, optical quartz, various crystal materials. Single lens surface AR coating, edge can be black/laser marking and other special requirements. There are two processes for the production of single lens in Tianyang Valley, one is high temperature molding single lens, which is suitable for mass production of aspherical single lens; One is the use of CNC ultra-precision machining machine, through rough grinding, fine grinding, grinding, polishing process, directly processed to meet the optical quality requirements of high precision single lens. Precision polishing single lens with optical surface accuracy ≤0.1 micron and surface roughness Ra≤0.01 micron.

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Specifications of Singlet Lenses

Singlet Lenses product parameter table
ProjectIndicator requirements
1.MaterialOptical quartz, optical glass, various crystal materials
2. Overall dimensionsRound OD≤300mm, Square L×W≤210×210mm
3.Center ThicknessT≤50mm or according to customer requirements
4. Effective focal lengthaccording to customers needs
5. Working distanceaccording to customers needs
6. Design wavelength430~633nm, 630~780nm, 1550~1620nm
8.CoatingAR anti-reflection coating R < 0.5%@λnm according to customers needs
9.eccentricityaccording to customers needs
10. Effective apertureED>80% aspherical area
11. Surface ShapeUltra-high precision Rt≤0.1μm, high-precision Rt≤0.5μm, precision Rt≤1μm
12.Surface quality60-40, 40-20, 20-10, 10-5

Features of Singlet Lenses

Features of Singlet Lenses
  • One-stop customized production: Solar Valley processes a variety of flat convex, double convex, convex and concave structure of single lens according to customer requirements.The shape of the lens can be circular, D-type, square and so on.

  • Material: Use optical glass, optical quartz, various crystal materials. 3. Lens performance: uniform spot, clear projection, complete specifications, aerospace quality.

    Product indicators:

    1. Maximum external dimension of circular single lens: OD≤φ300mm

    2. Maximum outline size of square single-sided lens: ≤210×210mm

  • Single lens can reach the following accuracy levels according to customer requirements:

    Ultra-high precision: surface shape 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, 10-5 According to customer requirements.

  • Coating: Coating according to customer requirements.

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