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Plano-Concave(PV) lenses have one flat and one inward curved surface.
PV lenses have a negative focal length and are used for image reduction or to
spread light. Read
more about Plano
Concave Lens
at PhotonicsKnowledge.com.
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BK7
Plano Concave Lens Specifications
|
|
Material |
BK7 grade A optical glass |
|
Design Wavelength |
546.1nm |
|
Design Index |
1.5183 � 0.00005 |
|
Diameter Tolerance |
-0.0, -0.15mm |
| Paraxial
Focal Length |
� 2% |
| Centration |
< 3 arc
minutes |
| Clear
Aperture |
>85% |
| Surface
Figure |
l/4@632.8nm |
| Surface Quality |
60-40 scratch and dig |
| Bevel |
0.25 mm x 45� |
|
|
Fused
Silica Plano Concave Lens Specifications
|
|
Material |
UV graded Fused Silica |
|
Design Wavelength |
546.1nm |
|
Design Index |
1.46008 � 0.00005 |
|
Diameter Tolerance |
-0.0, -0.15mm |
| Paraxial
Focal Length |
� 2% |
| Centration |
<3 arc
minutes |
| Clear
Aperture |
>85% |
| Surface
Figure |
l/4@632.8nm |
| Surface Quality |
60-40 scratch and dig |
| Bevel |
0.25 mm x 45� |
|
|
Sapphire
Plano Concave Lens Specifications
|
|
Material |
Optical Grade Sapphire Crystal |
|
Design Wavelength |
546.1nm |
|
Design Index |
1.771@546.1nm |
|
Diameter Tolerance |
-0.0, -0.15mm |
| Paraxial
Focal Length |
� 2% |
| Centration |
< 3 arc
minutes |
| Clear
Aperture |
>85% |
| Surface
Figure |
l/4@632.8nm |
| Surface Quality |
80-50 scratch and dig |
| Bevel |
0.25 mm x 45� |
|
|
CaF2
Plano Concave Lens Specifications
|
|
Material |
Optical Grade CaF2 Single Crystal |
|
Design Wavelength |
1.5mm |
|
Design Index |
n=1.425 |
|
Diameter Tolerance |
-0.0, -0.15mm |
| Paraxial
Focal Length |
� 2% |
| Centration |
< 3 arc
minutes |
| Clear
Aperture |
>85% |
| Surface
Figure |
l/4@632.8nm |
| Surface Quality |
80-50 scratch and dig |
| Bevel |
0.25 mm x 45� |
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Standard Product Information
|
Part
No. |
f (mm) |
f
(mm) |
R1(mm) |
tc(mm) |
te(mm) |
fb (mm) |
|
PCV-1101 |
-8.0 |
6.0 |
4.15 |
2.0 |
3.3 |
-9.3 |
|
PCV-1102 |
-10.0 |
6.0 |
5.18 |
2.0 |
2.9 |
-11.3 |
|
PCV-1103 |
-12.0 |
6.0 |
6.22 |
2.0 |
2.8 |
-13.3 |
|
PCV-1201 |
-15.0 |
12.7 |
7.78 |
2.0 |
5.3 |
-16.3 |
|
PCV-1202 |
-20.0 |
12.7 |
10.37 |
2.0 |
4.1 |
-21.3 |
|
PCV-1203 |
-25.0 |
12.7 |
12.96 |
2.0 |
3.7 |
-26.3 |
|
PCV-1204 |
-30.0 |
12.7 |
15.55 |
2.0 |
3.4 |
-31.3 |
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PCV-1301 |
-25.0 |
25.0 |
12.986 |
2.0 |
10.9 |
-26.3 |
|
PCV-1302 |
-35.0 |
25.4 |
18.14 |
2.0 |
7.2 |
-36.3 |
|
PCV-1303 |
-50.0 |
25.4 |
25.92 |
2.0 |
5.3 |
-51.3 |
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PCV-1304 |
-70.0 |
25.4 |
36.28 |
2.0 |
4.3 |
-71.3 |
|
PCV-1305 |
-75.0 |
25.4 |
38.87 |
2.0 |
4.1 |
-76.3 |
Note:
special material and size are available
upon request.
Ordering
Information:
Part No, - Coating
Wavelength
For Example, PCV-1201 - 808 nm
|
