These lenses are also available with a -A, -B, or -C antireflection coating.
Click Link for Detailed Specifications on the Substrate
Uncoated Wavelength Range: 350 nm - 2.0 µm
Much like surface flatness for flat optics, surface power is a measure of the deviation between the surface of the curved optic and a calibrated reference gauge, typically for a 633 nm source, unless otherwise stated. This specification is also commonly referred to as surface fit.
Features
Made of N-BK7 Glass
Uncoated Wavelength Range: 350 nm - 2.0 µm
Focal Lengths from -3.91 mm to -1000.00 mm
Focal Length Tolerance: ±1%
Negative cylindrical lenses act as plano-concave spherical lenses, except on only one axis. These lenses are used in applications that require one dimensional shaping of a light source. A typical application is to use a single cylindrical lens to turn a collimated laser into a line generator. Pairs of cylindrical lenses may be used to anamorphically shape images. To minimize the introduction of aberration, the curved surface of the lens should face the source when used to diverge a beam.
These N-BK7 Plano-Concave Cylindrical lenses are available uncoated or with one of three Antireflection Coatings, which can reduce the amount of light reflected from each surface of the lens. The uncoated lenses are highlighted on this page. Lenses with a -A (350 - 700 nm range), -B (650 - 1050 nm range), or -C (1050 - 1700 nm range) antireflection coating are featured elsewhere. Please see the Graphs tab for coating information.
All cylindrical lenses can be ordered uncoated and the cylindrical lenses made from N-BK7 can be ordered with one of the following broadband AR coatings: -A: 350-700 nm, -B: 650-1050 nm, or -C: 1050-1700 nm
These high performance multilayer AR coatings have an average reflectance of less than 0.5% (per surface) across the specified wavelength ranges. The central peak in each curve is less than 0.25%. These coatings provide good performance for angles of incidence (AOI) between 0° and 30° (0.5 NA). For optics intended to be used at large angles, consider using a custom coating optimized at a 45° angle of incidence; this custom coating is effective from 25° to 52°. The plot shown below indicates the performance of the standard coatings in this family as a function of wavelength.
Vladimir Chvykov
 (posted 2019-04-18 16:38:55.99)
Dears
I would like to order the cylindrical lens like below, but I need bigger focal length F=2000 mm or R=1000 mm. If it possible, how much will it cost and what is the time delivery.
LK1002L1 f=-1000 mm, H=30 mm, L=32 mm, N-BK7 Plano-Concave Cylindrical Lens, Uncoated
nbayconich
 (posted 2019-04-19 09:28:54.0)
Thank you for contacting Thorlabs. We can offer custom lenses upon request through our techsupport department. I will reach out to you directly to discuss our custom capabilities.
For future reference any custom requests can be sent directly to techsupport@thorlabs.com.
andre.chagas
 (posted 2013-11-06 14:33:07.74)
Hello,
I'm in need of a plano-concave lens. This lens is to be placed on top of a sensor that measures 33mmX5mm (heightXlength). Although models LK1431L1 and LK1792L1 would serve my purpose, I wonder if there aren't any models with the same height but with different length.
Thanks in advance and best regards,
André
pbui
 (posted 2013-11-14 03:35:37.0)
Response from Phong at Thorlabs: We will contact you directly to explore the possibility of offering this custom lens.
Plano-Concave Cylindrical Lenses, N-BK7, Uncoated (f=-3.91 to -25.39 mm)
Item #
Focal Lengtha
Length
Height
Radius
Center Thickness
Edge Thickness
Back Focal Length
Reference Drawing
LK1395L1
-3.91 mm
6.0 mm
4.0 mm
-2.0 mm
2.0 mm
2.7 mm
-5.2 mm
LK1597L2
-4.01 mm
8.0 mm
4.0 mm
-2.1 mm
2.0 mm
2.6 mm
-5.3 mm
LK1523L1
-5.79 mm
6.0 mm
4.0 mm
-3.0 mm
2.0 mm
2.4 mm
-7.1 mm
LK1087L1
-6.35 mm
8.0 mm
6.0 mm
-3.3 mm
2.0 mm
3.2 mm
-7.7 mm
LK1087L2
12.0 mm
LK1363L2
-7.70 mm
14.0 mm
7.0 mm
-4.0 mm
2.0 mm
3.4 mm
-9.0 mm
LK1836L1
-9.69 mm
12.0 mm
10.0 mm
-5.0 mm
2.0 mm
4.8 mm
-11.0 mm
LK1836L2
20.0 mm
LK1684L1
-12.69 mm
12.0 mm
10.0 mm
-6.6 mm
2.0 mm
3.8 mm
-14.0 mm
LK1816L1
-13.70 mm
15.0 mm
13.0 mm
-7.1 mm
2.0 mm
5.3 mm
-15.0 mm
LK1753L1
-15.00 mm
12.0 mm
10.0 mm
-7.8 mm
2.0 mm
3.4 mm
-16.3 mm
LK1037L1
-19.00 mm
21.0 mm
19.0 mm
-9.8 mm
2.0 mm
8.8 mm
-20.3 mm
LK1085L1
-20.01 mm
17.0 mm
15.0 mm
-10.3 mm
2.0 mm
4.7 mm
-21.3 mm
LK1085L2
30.0 mm
LK1006L1
-22.19 mm
15.0 mm
12.5 mm
-11.5 mm
2.0 mm
3.5 mm
-23.5 mm
LK1426L1
-24.88 mm
12.0 mm
10.0 mm
-12.9 mm
2.0 mm
2.8 mm
-26.2 mm
LK1900L1
-25.39 mm
18.0 mm
16.0 mm
-13.1 mm
2.0 mm
4.4 mm
-26.7 mm
All focal lengths are specified at the design wavelength (587.6 nm). Since the index of refraction for N-BK7 is inversely proportional to the wavelength, the focal length of each lens becomes longer (more negative) with increasing wavelength.
Plano-Concave Cylindrical Lenses, N-BK7, Uncoated (f=-29.99 to -79.99 mm)
Item #
Focal Lengtha
Length
Height
Radius
Center Thickness
Edge Thickness
Back Focal Length
Reference Drawing
LK1982L1
-29.99 mm
22.0 mm
20.0 mm
-15.5 mm
2.0 mm
5.3 mm
-31.3 mm
LK1982L2
40.0 mm
LK1283L1
-40.00 mm
12.0 mm
10.0 mm
-20.7 mm
2.0 mm
2.5 mm
-41.3 mm
LK1662L1
-50.00 mm
22.0 mm
20.0 mm
-25.8 mm
2.0 mm
3.8 mm
-51.3 mm
LK1336L1
-50.00 mm
32.0 mm
30.0 mm
-25.8 mm
2.0 mm
6.5 mm
-51.3 mm
LK1792L1
-50.99 mm
53.0 mm
50.8 mm
-26.4 mm
2.0 mm
19.9 mm
-52.3 mm
LK1913L1
-69.99 mm
32.0 mm
30.0 mm
-36.2 mm
2.0 mm
5.2 mm
-71.3 mm
LK1431L1
-75.00 mm
53.0 mm
50.8 mm
-38.8 mm
2.0 mm
11.1 mm
-76.3 mm
LK1526L1
-79.99 mm
22.0 mm
20.0 mm
-41.3 mm
3.0 mm
4.1 mm
-82.0 mm
All focal lengths are specified at the design wavelength (587.6 nm). Since the index of refraction for N-BK7 is inversely proportional to the wavelength, the focal length of each lens becomes longer (more negative) with increasing wavelength.
Plano-Concave Cylindrical Lenses, N-BK7, Uncoated (f=-100.00 to -1000.00 mm)
Item #
Focal Lengtha
Length
Height
Radius
Center Thickness
Edge Thickness
Back Focal Length
Reference Drawing
LK1743L1
-100.00 mm
32.0 mm
30.0 mm
-51.7 mm
3.0 mm
5.1 mm
-102.0 mm
LK1419L1
-150.00 mm
32.0 mm
30.0 mm
-77.5 mm
3.0 mm
4.4 mm
-152.0 mm
LK1069L1
-200.00 mm
32.0 mm
30.0 mm
-103.4 mm
3.0 mm
4.0 mm
-202.0 mm
LK1030L1
-250.00 mm
32.0 mm
30.0 mm
-129.2 mm
3.0 mm
3.8 mm
-252.0 mm
LK1487L1
-400.00 mm
32.0 mm
30.0 mm
-206.7 mm
3.0 mm
3.5 mm
-402.0 mm
LK1002L1
-1000.00 mm
32.0 mm
30.0 mm
-516.8 mm
3.0 mm
3.2 mm
-1002.0 mm
Since the index of refraction for N-BK7 is inversely proportional to the wavelength, the focal length of each lens becomes longer (more negative) with increasing wavelength.