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VY Optoelectronics Co., Ltd.

Fresnel Lenses, Spherical Lens, Optical Lens manufacturer / supplier in China, offering Conical Groove Plano-Concave Fresnel Lenses From China, Bk7/UV Grade Fused Silica Roof Prism/Amici Prism with Coating, Optical Fused Silica Glass Dia. 4.75mm Rod Lens and so on.

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Supplier Homepage Product Optical spherical lenses Conical Groove Plano-Concave Fresnel Lenses From China

Conical Groove Plano-Concave Fresnel Lenses From China

FOB Price: US $5 / Piece
Min. Order: 100 Pieces
Min. Order FOB Price
100 Pieces US $5/ Piece
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Port: Beijing, China
Production Capacity: 300000 PCS/Month
Payment Terms: T/T, Western Union, Money Gram

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Basic Info
  • Model NO.: VYO-078
  • Type: Flat Lens
  • Shape: Single-lens
  • Lenses Color: Clear
  • Customized: Customized
  • Size: Customized
  • Center Thickness: 0.06
  • Aperture N: 5.1 etc
  • Trademark: VY or OEM
  • Specification: RoHS, SGS
  • HS Code: 9001909090
  • Usage: Optical
  • Transmittance: >95%
  • Material: Customized
  • Certification: RoHS, SGS, ISO9001
  • Coating: HC
  • Groove Density: 125
  • Thickness Tolerance: +/-40
  • Thickness Tolerance(%): +/-40
  • Transport Package: as Requested
  • Origin: Jilin, China
Product Description
Fresnel Lenses are used in many light collection applications, such as condenser systems or emitter/detector setups.Fresnel Lenses are optical lenses consisting of a series of concentric grooves etched into a plastic substrate.Each groove acts as an individual refracting surface, while the thin substrate minimizes the amount of light lost due to absorption.High groove density increases image quality, while low groove density increases the overall efficiency.Fresnel Lenses are typically not used as magnifier or projection lenses due to high levels of distortion.
VY Optics could manufacture kinds of optical fresnel lenses,dimension is customized.
Groove Density (grooves/inch)125
Dimensions (inches)2.3 X 2.3
Effective Diameter (inches)2.0
Effective Focal Length EFL (inches)1.50
Effective Focal Length EFL (mm)38.1
Center Thickness CT (inches)0.06
Dimensional Tolerance (inches)±0.05
Thickness Tolerance (%)±40
Transmission (%)92 (from 400-1100 nm)
Index of Refraction ND1.49
Operating Temperature (°C)80 (Maximum)
CoatingUncoated
SubstrateAcrylic
Wavelength Range (μm)0.4 - 1.1
TypeFresnel Lens

 

 
 
Range of diameterDia.0.7mm-Dia.400mm
Range of curve radiusR1.5-R∞ etc.
Tolerance of diameter+/-0.1, +/-0.01, +/-0.005 etc.
Surface accuracyΛ , 1/2λ , 1/4λ , 1/10λ  etc.
Tolerance of Thickness+/-0.1, +/-0.05, +/-0.01 etc.
Centration+/-2′, +/-1′ etc.
Aperture N5, 1 etc.
Irregularity ΔN2, 1, 0.5, 0.2 etc.
Surface quality60/40, 40/20, 20/10, 10/5 etc.
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