OPTICS

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Plano Convex lens

These lenses have positive focus length. Most suitable where one conjugate is more than five times, the other. e.g. in sensor application or for use with near collimated light. Also where both conjugates are on the same side of the lens, e.g. as an add-on lens to increase the numerical aperture.

Capacity:
Material: Optical glass, Fused silica, Silicon, Germanium, CaF2, MgF2, Sapphire, ZnSe, ZnS
Diameter: 0.5 to 350 mm
Diameter Tolerance: +0/-0.02 mm
Thickness Tolerance: ±0.01 mm
Surface Quality: 10-5
Surface Figure: λ/10
Centration: 1 minute or 30 Second
Coating: Uncoated, AR and HR

 

Specification:

 

Material

BK7 or Fused Silica

Design Wavelength

546.1 nm

Design Index:

 

              BK7

1.5183 ± 0.0005

              Fused Silica

1.46008±0.00005

Diameter Tolerance

+0.00, -0.15 mm

Thickness Tolerance

±0.2 mm

Paraxial Focal Length

±2%

Centration

<3 arc minutes

Clear Aperture

>85%

Surface Irregularity

λ/4@632.8 nm

Surface Quality

60-40 scratch and dig

Protective Bevel

0.25 mm x 45°

 

Plano-Convex Lens Standard Products:

Part No.
f (mm)
Ф(mm)
R1 (mm)
t c (mm)
t e(mm)
f b(mm)
VP-PL-101
4
2
2.073
1.26
1
3.2
VP-PL-102
5
3
2.592
1.48
1
4
VP-PL-103
6
4
3.101
1.5
0.77
5
VP-PL-104
8
6
4.15
3.3
2
5.8
VP-PL-105
10
6
5.18
3
2
8
VP-PL-106
15
12.7
7.78
5.3
2
11.5
VP-PL-107
20
12.7
10.37
4.2
2
17.2
VP-PL-108
25.4
25.4
13.17
11.7
2
17.7
VP-PL-109
40
12.7
20.73
3
2
38
VP-PL-110
50
25.4
25.92
5.3
2
46.5
VP-PL-111
60
22.4
31.1
4.1
2
57.3
VP-PL-112
80
30
41.46
4.8
2
76.8
VP-PL-113
100
25.4
51.83
3.6
2
97.6
VP-PL-114
100
50
51.83
9.4
3
93.8
VP-PL-115
200
25.4
103.66
2.8
2
198.2

 

Cylindrical Lens
Cylindrical lens is used to provide focusing power in one section only. For illumination or detection of light from line sources. Also used to anamorphic compression of beams and images. Especially widely used to anamorphic compression of LD (laser diode) output beam.

 

Plano-Convex Cylindrical Lens Standard Products:

Part No.
X×Y (mm)
f (mm)
R1 (mm)
t c(mm)
t e(mm)
f b(mm)
VP-CYL-101
10.0x10.0
12.7
6.54
4.3
2
9.8
VP-CYL-102
20.0x10.0
12.7
6.54
4.3
2
9.8
VP-CYL-103
10.0x10.0
20
10.29
3.3
2
17.8
VP-CYL-104
20.0x10.0
20
10.29
3.3
2
17.8
VP-CYL-105
10.0x10.0
25
12.87
3
2
23
VP-CYL-106
20.0x10.0
25
12.87
3
2
23

 

Meniscus Lens
Meniscus Lens can increase the NA of the system while only adding slightly to the total spherical aberrations. The Negative Meniscus Lens is used to increase the focal length of another lens while maintaining the angular resolution of the optical assembly

 

Meniscus Lens Standard Products

Part No.
f (mm)
Ф(mm)
R1 (mm)
R2(mm)
t c(mm)
t e(mm)
f b(mm)
VP-MENISCUS-101
100
25.4
33.72
90
4
2.5
97.5
VP-MENISCUS-102
125
25.4
38.47
90
4
2.8
121.8
VP-MENISCUS-103
150
25.4
42.52
90
4
3
146.3
VP-MENISCUS-104
175
25.4
46.05
90
4
3.1
171.2