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UV Fused Silica Plano-Convex (PCX) Lenses

A Plano-Convex (PCX) lens causes light to focus to a point,it has a positive focal length,which is ideal for light collimation or for focusing applications utilizing monochromatic illumination, in a range of industries. Uni-Optics offers PCX lenses with a variety of coating options.
  • product origin:

    China
  • shipping port:

    Fuzhou China
  • lead time:

    4 working weeks
  • payment:

    T/T Payment, Western Union
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  • description

1. What is Plano-Convex Lenses?


Plano-convex lenses are positive focal length Optical lenses that have one spherical surface and one flat surface, which is ideal element for light collimation or for focusing applications utilizing monochromatic illumination.

 

2. What fields are Plano-Convex Lenses widely used?


Uni-Optics Plano-Convex lenses are widely used in a wide range of applications including: industries, microscopy, laser processing, projection system, line detector array illumination, robotics, defense and other market spaces because of the benefit of focusing light.

 

3. What coatings can Uni-Optics offer?


Uni-Optics offers Plano-convex lenses with a variety of Anti-Reflection coating options, including Single layer MgF2 AR Coating, Multiple layers BBAR coating, Dual Wavelength Band AR Coating, and other coating according to customers’ requirement.


Specification
plano convex lenses     


Material:
 Optical glass, BK7, Fused Silica, Schott, OHARA, CaF2,Germanium etc.
Dimension Tolerance:
 ±0.1mm(Standard), ±0.01mm(High Precision)
Center Thickness Tolerance:
 ±0.1mm(Standard), ±0.02mm(High Precision)
Paraxial Focal Length:
 ±2%
Surface quality:
 60/40(Standard), 20/10(High Precision)
Clear Aperture:
 >85%
Surface Figure:
 λ/2(Standard), λ/8(High Precision) @633nm
Centration:
 3 arc minutes
Bevel:
 <0.25mm×45°
Coating:
 Upon requirement


Part No. Material F(mm) Φ(mm) R(mm) Tc(mm) Te(mm) Fb(mm)
ULPX008006 BK7 8 6 4.15 3.3 2 5.8
ULPX015010 BK7 15 10 7.78 3.8 2 12.5
ULPX022010 BK7 22 10 11.4 3.1 1.9 20
ULPX015127 BK7 15 12.7 7.78 5.3 2 11.5
ULPX020127 BK7 20 12.7 10.37 3.97 1.8 17.39
ULPX030127 BK7 30 12.7 15.56 3.16 1.8 27.92
ULPX040127 BK7 40 12.7 20.75 2.8 1.8 38.16
ULPX050127 BK7 50 12.7 25.94 2.59 1.8 48.3
ULPX075127 BK7 75 12.7 38.87 2.5 2 73.4
ULPX025018 BK7 25 18 12.97 5.44 1.8 21.43
ULPX030018 BK7 30 18 15.56 4.67 1.8 26.92
ULPX050018 BK7 50 18 25.94 3.41 1.8 47.76
ULPX040020 BK7 40 20 20.73 4.5 1.9 37
ULPX040224 BK7 40 22.4 20.73 5.3 2 36.5
ULPX050254 BK7 50 25.4 25.94 5.32 2 46.51
ULPX100254 BK7 100 25.4 51.88 3.58 2 97.66
ULPX125254 BK7 125 25.4 64.79 3.3 2 122.8
ULPX150254 BK7 150 25.4 77.8 3.04 2 147.98
ULPX200254 BK7 200 25.4 103.75 2.78 2 198.18
ULPX250254 BK7 250 25.4 129.72 2.62 2 248.35
ULPX050030 BK7 50 30 25.94 7.28 2.5 45.21
ULPX075030 BK7 75 30 38.9 5.51 2.5 71.36
ULPX100030 BK7 100 30 51.88 4.72 2.5 96.91
ULPX200030 BK7 200 30 103.75 3.6 2.5 197.75
ULPX100038 BK7 100 38 51.83 6.6 3 95.7
ULPX200038 BK7 200 38 103.66 4.8 3 196.5
ULPX500038 BK7 500 38 259.4 3.7 3 497.16
ULPX100508 BK7 100 50.8 51.88 9.65 3 93.67
ULPX200508 BK7 200 50.8 103.75 6.16 3 195.96
ULPX300508 BK7 300 50.8 155.6 5.09 3 296.62
ULPX500508 BK7 500 50.8 259.4 4.25 3 497.28
JLPX015127 JGS1 15 12.7 6.9 6.2 2 10.8
JLPX030127 JGS1 30 12.7 13.8 3.6 2 27.5
JLPX035254 JGS1 35 25.4 16.1 8.2 2 29.4
JLPX050254 JGS1 50 25.4 23 5.8 2 46
JLPX100254 JGS1 100 25.4 46.01 3.8 2 97.4
JLPX200254 JGS1 200 25.4 92.02 2.9 2 198
JLPX050038 JGS1 50 38 23 13 3 41.1
JLPX100038 JGS1 100 38 46.01 7.1 3 95.1
CLPX050254 CaF2 50 25.4 21.25 6.2 2 45.6
CLPX100254 CaF2 100 25.4 42.5 3.9 2 97.3
CLPX150254 CaF2 150 25.4 63.75 3.3 2 147.7
CLPX200254 CaF2 200 25.4 85 3 2 197.9

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Infrared Optics Material

1.  Germanium (Ge)


Germanium (Ge) is the preferred lens and window material for high performance infrared imaging systems in the 8–12 μm wavelength band. Its high refractive index makes Ge ideal for low power imaging systems because of minimum surface curvature. Chromatic aberration is small, often eliminating the need for correction.

 

Crystallographic properties
Syngony Cubic
Crystal Form Poly or Single Crystal
Lattice Constant 5.66
Cleavability <111>, non-perfect
Molecular Weight 72.6
Physical properties
Density, at 20 °C 5.33
Hardness, Mohs 6.3
Dielectric Constant for 9.37 × 109 Hz at 300 K 16.6
Melting 937
Thermal Conductivity, W/m·K at at 293 K 59
Thermal Expansion, 1/K at 298 K 6.1 × 10-6
Specific Heat Capacity, J/(kgK) at 273-373 K 0.074
Bandgap, eV 0.67
Knoop Hardness, kg/mm2 800
Youngs Modulus, Gpa 102.66
Shear Modulus, GPa 67.04
Bulk Modulus, GPa 77.86
Debye Temperature, K 370
Poissons Ratio 0.278
Elastic Coefficient C11=129, C12=48.3, C44=67.1
Apparent Elastic Limit 89.6 MPa (13000psi)
Chemical properties
Solubility in water None
Solubility in acids Soluble
Molecular Weight 72.59

2. Silicon (Si) 


Silicon (Si) is grown by Czochralski pulling techniques (CZ) and contains some oxygen that causes an absorption band at 9 microns.To avoid this, material can be prepared by a Float-Zone (FZ) process. Optical silicon is generally lightly doped (5 to 40 ohm cm) for best transmission above 10 microns, and doping is usually boron (P-type) and phosphorus (N-type). After doping silicon has a further pass band: 30 to 100 microns which is effective only in very high resistivity uncompensated material.
 
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Crystallographic properties
Syngony Cubic
Lattice Constant, A 5.43
Physical properties
Density 2.33g/cm3
Hardness, Mohs 7
Dielectric Constant for 9.37 x 109 Hz 13
Melting point, оС 1414
Thermal Conductivity, W/m·K at 313 K 163
Thermal Expansion, 1/K at 293 K 2.6x10-6
Specific Heat Capacity, J/(kg°C) 712.8
Bandgap, eV 1.1
Knoop Hardness, kg/mm2 1100
Youngs Modulus, Gpa 130.91
Shear Modulus, GPan 79.92
Bulk Modulus, GPa 101.97
Debye Temperature, K 640
Poissons Ratio 0.28
Chemical properties
Solubility in water None
Molecular Weight 28.09

3、ZnS material:


ZnS MultiSpectral Under intense heat and pressure, defects within the crystalline lattice are virtually eliminated, leaving a water-clear material with minimal scatter and high transmission characteristics from 0.4 to 12 microns. This material is particularly well suited for high-performance common aperture systems that must perform across a broad wavelength spectrum.

Specifications:

Material: ZnS MultiSpectral
Diameter Tolerance: --------------------- +0.0, -0.1mm
Thickness Tolerance: -------------------- ±0.1mm
Clear Aperture: ---------------------------->85%
Parallelism: -----------------------------------3 arc minute
Surface Quality: ----------------------------80-50 scratch and dig
Wavefront Distortion: -------------------- λ /2 per 25mm @633mm
Bevel: -----------------------------------------Protective  (<0.2mm x 45° )
Coating: -------------------------------------- Optional (Uncoated, AR Coating, etc.)


4. ZnSe material


ZnSe is a preferred material for lenses, windows, output couplers and beam expanders for its low absorptivity at infrared wavelengths and its visible transmission. For high-power applications, it’s critical that the material bulk absorption and internal defect structure be carefully controlled, that minimum-damage polishing technology be employed, and the highest quality optical thin-film coatings are used. The material absorption is verified by CO2 laser vacuum calorimetry. Our quality assurance department provides testing and specific optics certification on request.

ZnSe is non-hygroscopic and chemically stable, unless treated with strong acids. It’s safe to use in most industrial field, and laboratory environments.



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