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Plano-Convex Rectangular Cylindrical Lenses

Plano-convex rectangular cylindrical lenses are useful for line imaging or uni-axial magnification in a wide range of applications. These lenses may be combined with other lenses to form complex imaging systems.
  • product origin:

    China
  • shipping port:

    Fuzhou China
  • lead time:

    4 working weeks
  • payment:

    T/T Payment, Western Union
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  • description

Why are Plano-conves Retangular Cylindrical lenses used?


Plano-convex rectangular cylindrical lenses are available with positive or negative focal lengths, ideal for laser line generation or anamorphic beam shaping uni-axial magnification in a wide range of applications to circularize laser outputs.These lenses may be combined with other lenses to form complex imaging systems.


Plano-convex rectangular Cylindrical Lenses  Plano-convex rectangular Cylindrical Lenses


Specifications: 


Material: Optical glass, Fused silica
Design wavelength: 546.1nm
Diameter tolerance: +0/-0.05mm
Focal tolerance: +/-2%
surface quality : 40-20 S/D
Centration: 3 arcmin
Surface flatness: N=5 △N=0.5
Clear aperture: 90%
Bevel: Protective
Coating Optional



Part NO. Material W x H F(mm) R(mm) Tc(mm) Te(mm) Fb(mm)
ULYPX1010127 BK7 10.0x10.0 12.7 6.54 4.3 2 9.8
ULYPX1010020 BK7 10.0x10.0 20.0 10.29 3.3 2 17.8
ULYPX1010025 BK7 10.0x10.0 25.0 12.87 3.0 2 23
ULYPX1210010 BK7 12.0x10.0 10.0 5.2 5.9 2 6.17
ULYPX1210015 BK7 12.0x10.0 15.0 7.8 3.8 2 12.6
ULYPX1210020 BK7 12.0x10.0 20.0 10.34 3.3 2 17.8
ULYPX2010127 BK7 20.0x10.0 12.7 6.54 , 4.3 2 9.8
ULYPX2010020 BK7 20.0x10.0 20.0 10.29 3.3 2 17.8
ULYPX2010025 BK7 20.0x10.0 25.0 12.87 3.0 2 23
ULYPX2020050 BK7 20.0x20.0 50.0 25.73 4.0 2 47.3
ULYPX2020075 BK7 20.0x20.0 75.0 38.6 3.3 2 72.8
ULYPX2020100 BK7 20.0x20.0 100.0 51.47 4.0 2 97.3
ULYPX2020150 BK7 20.0x20.0 150.0 77.2 3.7 3 147.5
ULYPX2020200 BK7 20.0x20.0 200.0 102.93 3.5 3 197.7
ULYPX2020250 BK7 20.0x20.0 250.0 128.67 3.3 3 247.7
ULYPX2020300 BK7 20.0x20.0 300.0 154.4 3.2 3 297.8
ULYPX2020500 BK7 20.0x20.0 500.0 257.33 4.0 3 497.9
ULYPX4020050 BK7 40.0x20.0 50.0 25.73 3.3 3 47.3
ULYPX4020075 BK7 40.0x20.0 75.0 38.6 3.3 2 72.8
ULYPX4020100 BK7 40.0x20.0 100.0 51.47 4.0 2 97.3
ULYPX4020150 BK7 40.0x20.0 150.0 77.2 3.7 3 147.5
ULYPX4020200 BK7 40.0x20.0 200.0 102.93 3.5 3 197.7
ULYPX4020250 BK7 40.0x20.0 250.0 128.67 3.4 3 247.7
ULYPX4020300 BK7 40.0x20.0 300.0 154.4 3.3 3 297.8
ULYPX4020500 BK7 40.0x20.0 500.0 257.33 3.2 3 497.9

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Plano-concave rectangular Cylindrical Lenses

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Metallic Coated Mirrors
N-BK7 metallic coated mirror

1、What Metallic Coated types can Uni-Optics supply?


Uni-Optics mainly offers four coating types, including:

1) UV Enhanced Aluminum : Ravg > 85% from 250nm to 400nm

2) Protected Aluminum: Ravg > 87% from 400nm to 800nm

3) Protected Silver: Ravg > 95% from 400nm to 20um

4) Protected Gold: Ravg > 98% from 650nm to 16um



2、What are features of Metallic coated mirror?


Metallic coated mirror have many key features below:

Wide spectral range

Not sensitive to the incidence angle and polarization state

Low cost

Non-durable

Relatively low reflectance

Low laser damage threshold


3、What UNI Optics can do for you?


Common Specifications:

Substrate Materials: N-BK7, Fused silica, Pyrex;Float glass

Dimensional tolerance: +/-0.1mm

Surface quality:  60-40

Parallelism:  3’

Flatness: λ/4 per 25mm@633nm

Bevel: Protective

One surface: Polished and Metallic coating

The other surface: Fine ground


Note: Aluminum is the most widely used metal reflection film, from near UV to near IR, have high reflectivity, and with low cost. Silver has higher reflectivity in the visible and near infrared wavelength than the aluminum film, but the silver in the air will be rapid oxidation, color darkening, makes the film performance and firmness declined rapidly. Gold film has a good consistency with high reflectivity in the near, middle and far infrared range, can control the thermal radiation effectively, but it is relatively soft, easy bruising, and should be pay very attention to clean, and the cost is very high.




IR Optics material
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.
 
CZ Silicon is commonly used as substrate material for infrared reflectors and windows in the 1.5-8 micron region. The strong absorption band at 9 microns makes it unsuitable for CO2 laser transmission applications, but it is frequently used for laser mirrors because of its high thermal conductivity and low density. Application as window, lens in the 1.5 - 8 um region; Mirror for CO2 laser and spectrometer applications.
 

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.



High Precision Penta Prisms
N-BK7 Penta Prisms
Penta Prisms are used to define right angles in optical systems. Penta Prisms, which provide right handed images,feature a ray deviation of 90°. Penta Prisms are five-sided prisms are unaffected by slight movements. Uni Optics offers a variety of Penta Prisms for optimal performance in the Ultraviolet (UV), Visible, or Infrared (IR) spectrums.
Non-Polarizing Cube Beamsplitters
Non-Polarizing Cube Beamsplitters (NPBS)
Non-Polarizing Cube Beamsplitters also called NPBS Cube is a more sophisticated type consisting of two right- angle prismscemented together at their hypotenuse faces.The cemented face of one prism is coated.Before cementing, with a metallic or dielectric layer having the desired reflecting properties, both in the percentage of reflection and the desired color. The absorption loss to the coating is minimal and transmission and reflection could be designed to 10%, 20%, 30%, 40%, 50% etc.
BK7 Plano-Convex Lenses
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.
Laser Windows
High Power Laser Line Windows

1、What is laser windows?


Laser Protect Windows(Laser protective glass, protective filters or welding protective windows) are used to save for the high cost of laser optics.


2、What is laser windows used for?


These windows are normally used in applications laser cutting, laser welding machine, it used for avoid the high-precision laser optics damage by material splashes.


3、The key features of UNI Optics' Laser Windows


High Transmission

High Damage Threshold

Low Scatter

Low Absorption

Excellent Film Density

Excellent Environmental Stability


Laser Windows   Laser Windows

Typical Specifications:

 

Dimension: 4mm-80mm, round or square

Material: BK7, Fused Silica, ZnSe...etc

Surface quality: 10/5

Surface flatness: Lambda/10@632.8nm

Parallelism: 30’’

Roughness: 3A

Micro-components-Rod Lenses
Micro Sizes Rod Lens
Rod Lenses are used for fiber coupling and laser diode beam shaping, lenses with a 0mm working distance are ideal for collimation of single and multi-mode optical fibers and laser diodes because the lens can be positioned and glued directly to the emission source. For focusing applications, or in instances where the lens can’t be in direct contact with the emission source, all lenses are available with a small working distance as well. UNI Optics can provide the size from Φ1~Φ15mm, quantity price and custom sizes, including variations in polished/ground surfaces, are available to OEM customers upon request.
BK7 Laser Grade Mirrors
Laser Grade Line Mirrors
Laser mirrors are fabricated with specialized coatings, which will offer high damage thresholds.
BK7 Dichroic Mirrors
High Reflective Broadband Dichroic Mirrors
The dichroic mirror is a mirror with significantly different reflection or transmission properties at two different wavelengths, it’s characterized by almost complete transmission of light at certain wavelengths and almost complete reflection of light at other wavelengths. It can be widely used in Laser technology application.
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