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Plano Concave Lenses > Fused Silica Plano Concave Lens

Introduction

Plano concave lenses are manufactured with one concave surface and one plane surface. These lenses have negative focal lengths diverge collimated incident light form virtual images which are seen through the lens and they are often used to expand light or to increase focal lengths in existing systems.
 
 

Standard Specifications

  
 

Items

Specifications

Material

UV Grade Fused Silica

Designed Wavelength

546.1 nm

Designed Index

1.46008 ±0.00005

Dimension Tolerance

+0.0/-0.2 mm

Thickness Tolerance

± 0.2 mm

Paraxial Focal Length

± 2%

Clear Aperture

> 90%D

Centration

3 arc minutes

Flatness

λ/4 at 632.8 nm

Surface Quality

scratch and dig 60-40

Bevel

0.5 (0/-0.3) mm

Notes:

1. Material, besides fused silica, BK7 and any other materials are available.

2. Surface Quality could reach 40-20 or 20-10

3. Centration such as 1’, 30” is available.

4. Please show us the size and the coating specification.

  
   
 

Part NO.

f(mm)

ф (mm)

R(mm)

tc(mm)

te(mm)

fb(mm)

LPV1201

-15.0

12.7

6.90

2.0

6.2

-16.4

LPV1202

-20.0

12.7

9.20

2.0

4.5

-21.4

LPV1203

-25.0

12.7

11.50

2.0

3.9

-26.4

LPV1204

-30.0

12.7

13.80

2.0

3.5

-31.4

LPV1205

-40.0

12.7

18.40

2.0

3.1

-41.4

LPV1301

-35.0

25.4

16.10

2.0

8.2

-36.4

LPV1302

-50.0

25.4

23.00

2.0

5.8

-51.4

LPV1303

-75.0

25.4

34.51

2.0

4.4

-76.4

LPV1304

-100.0

25.4

46.01

2.0

3.8

-101.4

LPV1305

-150.0

25.4

69.01

2.0

3.2

-151.4

LPV1306

-175.0

25.4

80.50

2.0

3.0

-176.4

LPV1307

-200.0

25.4

92.02

2.0

2.9

-201.4

LPV1308

-250.0

25.4

115.02

2.0

2.7

-251.4

LPV1309

-300.0

25.4

138.02

2.0

2.6

-301.4

LPV1311

-500.0

25.4

230.04

2.0

2.4

-501.4

LPV1312

-1000.0

25.4

460.08

2.0

2.2

-1001.4

LPV1401

-50.0

38.0

23.00

3.0

13.0

-52.1

LPV1402

-100.0

38.0

46.01

3.0

7.1

-102.1

LPV1403

-150.0

38.0

69.01

3.0

5.7

-152.1

LPV1404

-200.0

38.0

92.02

3.0

5.0

-202.1

LPV1405

-350.0

38.0

161.03

3.0

4.1

-352.1

LPV1406

-500.0

38.0

230.04

3.0

3.8

-502.1

LPV1201

-15.0

12.7

6.90

2.0

6.2

-16.4

LPV1202

-20.0

12.7

9.20

2.0

4.5

-21.4

LPV1203

-25.0

12.7

11.50

2.0

3.9

-26.4

LPV1204

-30.0

12.7

13.80

2.0

3.5

-31.4

LPV1205

-40.0

12.7

18.40

2.0

3.1

-41.4

LPV1301

-35.0

25.4

16.10

2.0

8.2

-36.4

LPV1302

-50.0

25.4

23.00

2.0

5.8

-51.4

LPV1303

-75.0

25.4

34.51

2.0

4.4

-76.4

LPV1304

-100.0

25.4

46.01

2.0

3.8

-101.4

LPV1305

-150.0

25.4

69.01

2.0

3.2

-151.4

LPV1306

-175.0

25.4

80.50

2.0

3.0

-176.4

LPV1307

-200.0

25.4

92.02

2.0

2.9

-201.4

LPV1308

-250.0

25.4

115.02

2.0

2.7

-251.4

LPV1309

-300.0

25.4

138.02

2.0

2.6

-301.4

LPV1311

-500.0

25.4

230.04

2.0

2.4

-501.4

LPV1312

-1000.0

25.4

460.08

2.0

2.2

-1001.4

LPV1401

-50.0

38.0

23.00

3.0

13.0

-52.1

LPV1402

-100.0

38.0

46.01

3.0

7.1

-102.1

LPV1403

-150.0

38.0

69.01

3.0

5.7

-152.1

LPV1404

-200.0

38.0

92.02

3.0

5.0

-202.1

LPV1405

-350.0

38.0

161.03

3.0

4.1

-352.1

LPV1406

-500.0

38.0

230.04

3.0

3.8

-502.1

 

 

 

  

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