OPTICS CRYSTALS LASERS
   
 
ZnSe Spherical Plano-Convex Lenses

MATERIAL - Zinc Selenide CVD-ZnSe


Crystaltechno Ltd. manufactures spherical plano-convex lenses from zinc selenide (CVD-ZnSe) material as well as from glass, fused silica and different types of optical crystals.

ZnSe (Zinc Selenide) spherical plano-convex lenses are widely used as transparent transfer optics.

Crystaltechno Ltd. manufactures Zinc Selenide (ZnSe CVD) plano-convex lenses for high power CO2 laser machines. ZnSe CVD plano-convex lenses diameter (25.4 - 50.8) mm is available. AR/AR coating of CVD ZnSe plano-convex lenses both for one wavelength (10.6microns or another) and for the IR spectral range (3 - 12) microns is available.

Perhaps you will find the required Zinc Selenide optics and ZnSe lenses at our stock, please see item Optical Crystals.

CVD-ZnSe PLANO-CONVEX LENS PARAMETER VALUE
 
  Surface form tolerances - Irregularity   Lambda/2 at 633 nm  
  Scratch-Dig   60 - 40  
  Diameter tolerance   +/- 0.1 mm  
  Paraxial Focal Length Tolerance   +/- 2%  
  Centration   less than 5 arc minutes  
  Clear aperture   90 % (80 %, if detail size less 20 mm)  
  Bevels   (0.2-0.5) mm x 45 degrees  


For thin zinc selenide ZnSe plano-convex lenses
Surface form tolerance - without requirements, if ratio of central thickness (tc) to Diameter (D) less 1/10.

ZnSe Lens Diameter
D, mm
Focal Length
FLx, mm
Radius of Curvature
R, mm
ZnSe Lens Center Thickness
tc, mm
ZnSe Lens Edge Thickness
te, mm
Part Number Unit price, EUR
ZnSe (laser grade)
 
  12,7   12,7   17,78   3,2   2,0   PCX17-02   44  
  12,7   19,0   26,67   2,8   2,0   PCX17-02   44  
  12,7   25,0   35,0   2,6   2,0   PCX17-03   44  
  19,05   19,0   26,67   3,8   2,0   PCX17-04   58  
  19,05   25,0   35,0   3,3   2,0   PCX17-05   56  
  19,05   50,0   70,0   2,7   2,0   PCX17-06   56  
  19,05   75,0   105,0   2,4   2,0   PCX17-07   55  
  25,4   25,0   35,0   4,4   2,0   PCX17-08   75  
  25,4   50,0   70,0   3,2   2,0   PCX17-09   75  
  25,4   75,0   105,0   2,8   2,0   PCX17-10   75  
  25,4   100,0   140,0   2,6   2,0   PCX17-11   74  
  38,1   50,0   70,0   5,6   3,0   PCX17-12   122  
  38,1   75,0   105,0   4,7   3,0   PCX17-13   113  
  38,1   100,0   140,0   4,3   3,0   PCX17-14   107  
  38,1   150,0   210,0   3,9   3,0   PCX17-15   104  
  50,8   50,0   70,0   7,8   3,0   PCX17-16   236  
  50,8   100,0   140,0   5,3   3,0   PCX17-17   190  
  50,8   150,0   210,0   4,5   3,0   PCX17-18   189  
  50,8   200,0   280,0   4,2   3,0   PCX17-19   169  
  50,8   250,0   350,0   3,9   3,0   PCX17-20   164  

* Numerical parameters correspond to wavelength 10.6 microns (n=2.4).

All prices are FCA Moscow.

Large sizes and another shape of CVD ZnSe lenses are also available according to customer's requirement.

We produce ZnSe lenses and other ZnSe optics from CVD grown ZnSe laser grade material. Basic characteristics of CVD ZnSe (Zinc Selenide) laser grade material: grain size ( 50 - 70 ) microns; transparency in spectral range (0.5 - 20) microns, index of absorption 0.0005 (1/cm) at 10.6 microns; ZnSe lenses dimensions - (3 - 100) mm, thickness 20mm.

You can see spectral transmittance of ZnSe window (thickness 10 mm).

Because of high refractive index (n = 2.4 at 10.6 microns), Fresnel losses of Zinc Selenide polished surface are equal 17 % (at one side), thus the transmission of Zinc Selenide polished lens equals 68.9% at 10.6 micron. We offer two sides antireflection (AR/AR) coating both for one wavelength (10.6 microns or another) and for the spectral range (3-12) microns. Transmission of AR/AR coated ZnSe CVD lenses - up to 99%.

Crystaltechno Ltd. offers the best ratio of price/quality for ZnSe lenses.

Please contact us for ZnSe lenses pricing of other size, shape and precision requirements.

Perhaps you will find required ZnSe lenses and other Zinc Selenide optics at our stock, please see item Optical Crystals.

 



 
 
 
CaF2
BaF2
MgF2
LiF
Al2O3
FS
BK7
Si
Ge
ZnSe
ZnS


Ordering Info
 
  (c) Crystaltechno Ltd. Vernadskogo 113-106, Moscow 119571, Russia
+7 (495) 234-5951, 234-5952, 956-7610
fax +7 (495) 433-1551
sales@crystaltechno.com
Site suggestions: webmaster@crystaltechno.com