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Plano concave lens
Plano-Concave Lens 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.
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
Plano concave lens.jpg
 
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°

 
 
BK7 Plano-Concave Lens Standard Products:

Part No.

f (mm)

Ф(mm)

R1 (mm)

t c(mm)

t e(mm)

f b(mm)

TPE201

-10.0

6.0

5.18

2.0

2.9

-11.3

TPE202

-20.0

10.0

10.37

2.0

3.2

-21.3

TPE203

-50.0

12.7

25.92

2.0

2.5

-51.3

TPE204

-100.0

25.4

51.83

2.0

3.6

-101.3

TPE205

-200.0

25.4

103.66

2.0

2.7

-201.3

TPE206

-500.0

25.4

259.15

2.0

2.3

-501.3

TPE207

-1000.0

25.4

518.3

2.0

2.2

-1001.3

Note: Other material, size and coating are available upon request.

 

Fused Silica Plano-Concave Lens Standard Products:

Part No.

f (mm)

Ф(mm)

R1 (mm)

t c(mm)

t e(mm)

f b(mm)

 TPE301

-10.0

6.0

5.18

2.0

2.9

-11.3

 TPE302

-20.0

10.0

10.37

2.0

3.2

-21.3

 TPE303

-50.0

12.7

25.92

2.0

2.5

-51.3

 TPE304

-100.0

25.4

51.83

2.0

3.6

-101.3

Note: Other material, size and coating are available upon request.

 

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