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CLSQ-N
A×B
Focal length f
Edge thickness te
Center thickness tc
Back focal length fb
Radius of curvature r
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Cylindrical plano concave lens has a concave curvature in the vertical direction and has no curvature in the horizontal direction. When used in combination with a plano-convex cylindrical lens an elliptical shaped beam can be sharped into a circular beam for use in semiconductor and other laser applications.

◦Plano Concave Cylindrical lenses are available in highstrength synthetic fused silica which has high laser damage threshold used in applications with 350nm ultraviolet light.
◦Cylindrical lenses are often used in an optical system to change the shape and aspect ratio of the illumination light beam.

Related product
Products
Technical Data
Documents/Downloads
Guide

▶Lenses are available in a large selection and in custom sizes and focal lengths.
▶In addition to our standard coating we offer custom anti-reflective coating at specific wavelengths.
▶We offer holders to mount our catalog cylindrical lenses, consult our Sales Division for assistance in your selection (CHA).
W4022
▶Please refer to here for Wavelength Characteristic Data (Reference Data, EXCEL file format).

Attention

▶The cylindrical plano-concave lens has chromatic aberration, the focal length will vary depending on the wavelength. Please check the “wavelength characteristic of the focal length data” on “Technical Data” for the focal lengths of each wavelength.
▶When using a plano-concave cylindrical lens parallel light should incident to the concave side first. There is a possibility that the spherical aberration will increase and optical performance of the system will be degraded if use in reverse.
▶Transmissions losses due to reflection off the front and rear surfaces of the lens can be minimized by coating the surfaces. Consult our Sales Division for anti-reflection coatings suitable for your application.

Common Specifications
MaterialSynthetic fused silica
TypeCylindrical Plano Concave Lenses (Synthetic fused silica 10×10 - 30×50)
Design Wavelength546.1nm
Refractive index1.46
CoatingUncoated
Clear apertureCircle or ellipse inscribed in a rectangular of 90% of the dimension
Surface Quality (Scratch-Dig)20-10
Outline Drawing

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Schematic

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Typical Transmittance Data

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T: Transmission
Reference Data
Spec
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Part Number
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    JP Yen Stock Qty
CLSQ-1010-15N
CLSQ-1010-20N
CLSQ-1010-25N
CLSQ-1010-30N
CLSQ-1010-40N
CLSQ-1020-15N
CLSQ-1020-20N
CLSQ-1020-25N
CLSQ-1020-30N
CLSQ-1020-40N
CLSQ-1515-20N
CLSQ-1515-25N
CLSQ-1515-30N
CLSQ-1515-40N
CLSQ-1525-20N
CLSQ-1525-25N
CLSQ-1525-30N
CLSQ-1525-40N
CLSQ-2020-25N
CLSQ-2020-30N
CLSQ-2020-40N
CLSQ-2020-50N
CLSQ-2020-60N
CLSQ-2020-70N
CLSQ-2020-80N
CLSQ-2020-100N
CLSQ-2020-130N
CLSQ-2020-150N
CLSQ-2020-200N
CLSQ-2020-250N
CLSQ-2020-300N
CLSQ-2040-25N
CLSQ-2040-30N
CLSQ-2040-40N
CLSQ-2040-50N
CLSQ-2040-60N
CLSQ-2040-70N
CLSQ-2040-80N
CLSQ-2050-100N
CLSQ-2050-130N
CLSQ-2050-150N
CLSQ-2050-200N
CLSQ-2050-250N
CLSQ-2050-300N
CLSQ-3030-50N
CLSQ-3030-60N
CLSQ-3030-70N
CLSQ-3030-80N
CLSQ-3030-100N
CLSQ-3030-130N
CLSQ-3030-150N
CLSQ-3030-200N
CLSQ-3030-250N
CLSQ-3030-300N
CLSQ-3040-50N
CLSQ-3040-60N
CLSQ-3040-70N
CLSQ-3040-80N
CLSQ-3050-100N
CLSQ-3050-130N
CLSQ-3050-150N
CLSQ-3050-200N
CLSQ-3050-250N
CLSQ-3050-300N

10×10mm

−15mm

4mm

1.9mm

−16.3mm

6.9mm

10×10mm

−20mm

3mm

1.5mm

−21.0mm

9.2mm

10×10mm

−25mm

3mm

1.9mm

−26.3mm

11.5mm

10×10mm

−30mm

3mm

2.1mm

−31.4mm

13.8mm

10×10mm

−40mm

3mm

2.3mm

−41.6mm

18.4mm

10×20mm

−15mm

4mm

1.9mm

−16.3mm

6.9mm

10×20mm

−20mm

3mm

1.5mm

−21.0mm

9.2mm

10×20mm

−25mm

3mm

1.9mm

−26.3mm

11.5mm

10×20mm

−30mm

3mm

2.1mm

−31.4mm

13.8mm

10×20mm

−40mm

3mm

2.3mm

−41.6mm

18.4mm

15×15mm

−20mm

6mm

2.1mm

−21.5mm

9.2mm

15×15mm

−25mm

5mm

2.2mm

−26.5mm

11.5mm

15×15mm

−30mm

4mm

1.8mm

−31.2mm

13.8mm

15×15mm

−40mm

4mm

2.4mm

−41.6mm

18.4mm

15×25mm

−20mm

6mm

2.1mm

−21.5mm

9.2mm

15×25mm

−25mm

5mm

2.2mm

−26.5mm

11.5mm

15×25mm

−30mm

4mm

1.8mm

−31.2mm

13.8mm

15×25mm

−40mm

4mm

2.4mm

−41.6mm

18.4mm

20×20mm

−25mm

7mm

1.2mm

−25.8mm

11.5mm

20×20mm

−30mm

6mm

1.7mm

−31.2mm

13.8mm

20×20mm

−40mm

5mm

2mm

−41.4mm

18.4mm

20×20mm

−50mm

4mm

1.7mm

−51.2mm

23mm

20×20mm

−60mm

4mm

2.1mm

−61.5mm

27.6mm

20×20mm

−70mm

4mm

2.4mm

−71.6mm

32.2mm

20×20mm

−80mm

4mm

2.6mm

−81.8mm

36.8mm

20×20mm

−100mm

4mm

2.9mm

−102.0mm

46mm

20×20mm

−130mm

4mm

3.2mm

−132.2mm

59.8mm

20×20mm

−150mm

4mm

3.3mm

−152.2mm

69mm

20×20mm

−200mm

4mm

3.5mm

−202.4mm

92mm

20×20mm

−250mm

4mm

3.6mm

−252.4mm

115mm

20×20mm

−300mm

4mm

3.6mm

−302.5mm

138mm

20×40mm

−25mm

7mm

1.2mm

−25.8mm

11.5mm

20×40mm

−30mm

6mm

1.7mm

−31.2mm

13.8mm

20×40mm

−40mm

5mm

2mm

−41.4mm

18.4mm

20×40mm

−50mm

4mm

1.7mm

−51.2mm

23mm

20×40mm

−60mm

4mm

2.1mm

−61.5mm

27.6mm

20×40mm

−70mm

4mm

2.4mm

−71.6mm

32.2mm

20×40mm

−80mm

4mm

2.6mm

−81.8mm

36.8mm

20×50mm

−100mm

4mm

2.9mm

−102.0mm

46mm

20×50mm

−130mm

4mm

3.2mm

−132.2mm

59.8mm

20×50mm

−150mm

4mm

3.3mm

−152.2mm

69mm

20×50mm

−200mm

4mm

3.5mm

−202.4mm

92mm

20×50mm

−250mm

4mm

3.6mm

−252.4mm

115mm

20×50mm

−300mm

4mm

3.6mm

−302.5mm

138mm

30×30mm

−50mm

7mm

1.4mm

−51.0mm

23mm

30×30mm

−60mm

6mm

1.6mm

−61.1mm

27.6mm

30×30mm

−70mm

6mm

2.3mm

−71.6mm

32.2mm

30×30mm

−80mm

5mm

1.8mm

−81.2mm

36.8mm

30×30mm

−100mm

5mm

2.5mm

−101.7mm

46mm

30×30mm

−130mm

5mm

3.1mm

−132.1mm

59.8mm

30×30mm

−150mm

5mm

3.3mm

−152.3mm

69mm

30×30mm

−200mm

5mm

3.8mm

−202.6mm

92mm

30×30mm

−250mm

5mm

4mm

−252.8mm

115mm

30×30mm

−300mm

5mm

4.2mm

−302.9mm

138mm

30×40mm

−50mm

7mm

1.4mm

−51.0mm

23mm

30×40mm

−60mm

6mm

1.6mm

−61.1mm

27.6mm

30×40mm

−70mm

6mm

2.3mm

−71.6mm

32.2mm

30×40mm

−80mm

5mm

1.8mm

−81.2mm

36.8mm

30×50mm

−100mm

5mm

2.5mm

−101.7mm

46mm

30×50mm

−130mm

5mm

3.1mm

−132.1mm

59.8mm

30×50mm

−150mm

5mm

3.3mm

−152.3mm

69mm

30×50mm

−200mm

5mm

3.8mm

−202.6mm

92mm

30×50mm

−250mm

5mm

4mm

−252.8mm

115mm

30×50mm

−300mm

5mm

4.2mm

−302.9mm

138mm

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