LASER LENSES for VIS and NIR LASERS, 400nm to
2.0µm
Material:
Grade A 689382 Glass (SF8)
Design Wavelength:
650 nm
Index at 650 nm:
1.6835
Transmits:
360 nm - 2.3 µm
Wavelength
Focal Length
Correction
488 nm
- 3%
650 nm
---
1550 nm
+ 5%
Broadband AR Coatings
Description
Bandwidth
Avg. Reflectance
Power Rating*
VIS
450 - 700 nm
< 0.5%
300 MW/cm2
VIR
550 - 780 nm
< 0.5%
300 MW/cm2
NIR
750 - 950 nm
< 0.5%
300 MW/cm2
IR
1250 - 1550 nm
< 0.5%
300 MW/cm2
*Power rating based upon 20 ns pulses, 20hz
Note: Other AR coatings available, please inquire.
For focal lengths shorter than 20 mm, see page OC-9 (Fiber-Optic
coupling lenses)
Catalog
Number
Diameter
Focal Length
at
300 nm
Optimum
Beam Diameter
Theoretical
Focal Spot
R1 mm
R2 mm
CT
LL-13-20-λ
½" dia.
19.9 mm
3.1 mm
5.3 µm
13.58
plano
3.0
LL-13-20N-λ
½" dia.
-19.9 mm
3.1 mm
------
-13.58
plano
1.4
LL-13-25-λ
½" dia.
25.0 mm
3.7 mm
5.5 µm
17.10
plano
3.0
LL-13-25N-λ
½" dia.
-25.0 mm
3.7 mm
------
-17.10
plano
1.8
LL-25-40-λ
1" dia.
39.7 mm
5.4 mm
6.4 µm
27.18
plano
4.5
LL-25-40N-λ
1" dia.
-39.6 mm
5.4 mm
------
-27.08
plano
2.5
LL-25-63-λ
1" dia.
63.1 mm
7.5 mm
7.3 µm
43.16
plano
4.5
LL-25-63N-λ
1" dia.
-63.1 mm
7.5 mm
------
-43.16
plano
2.5
LL-25-80-λ
1" dia.
79.5 mm
9.0 mm
7.7 µm
54.39
plano
4.5
LL-25-80N-λ
1" dia.
-79.5 mm
9.0 mm
------
-54.39
plano
2.5
LL-25-100-λ
1" dia.
100.0 mm
10.7 mm
8.1 µm
68.39
plano
4.5
LL-25-100N-λ
1" dia.
-100.0 mm
10.7 mm
------
-68.39
plano
3.0
LL-25-125-λ
1" dia.
124.0 mm
12.6 mm
8.6 µm
84.82
plano
4.0
LL-25-125N-λ
1" dia.
-124.0 mm
12.6 mm
------
-84.82
plano
3.0
LL-25-140-λ
1" dia.
140.9 mm
13.7 mm
8.9 µm
96.37
plano
4.0
LL-25-140N-λ
1" dia.
-140.9 mm
13.7 mm
------
-96.37
plano
3.3
LL-25-160-λ
1" dia.
159.5 mm
15.2 mm
9.1 µm
109.13
plano
4.0
LL-25-160N-λ
1" dia.
-159.5 mm
15.2 mm
------
-190.13
plano
3.3
LL-25-190-λ
1" dia.
190.9 mm
17.3 mm
9.5 µm
130.57
plano
4.0
LL-25-190N-λ
1" dia.
-190.9 mm
17.3 mm
------
-130.57
plano
3.5
LL-25-240-λ
1" dia.
238.4 mm
20.6 mm
10.1 µm
163.06
plano
4.0
LL-25-240N-λ
1" dia.
-238.4 mm
20.6 mm
------
-163.06
plano
3.5
LL-25-300-λ
1" dia.
298.1 mm
24.3 mm
10.7 µm
203.91
plano
4.0
LL-25-380-λ
1" dia.
381.4 mm
24.3 mm
13.6 µm
260.9
plano
4.0
LL-25-475-λ
1" dia.
477.0 mm
24.3 mm
17.0 µm
326.28
plano
4.0
LL-25-610-λ
1" dia.
620.1 mm
24.3 mm
21.8 µm
424.15
plano
4.0
LL-25-760-λ
1" dia.
757.6 mm
24.3 mm
27.2 µm
518.17
plano
4.0
LL-25-1000-λ
1" dia.
1010.2 mm
24.3 mm
35.7 µm
691.00
plano
4.0
LL-51-190-λ
2" dia.
189.0 mm
17.3 mm
9.5 µm
129.30
plano
7.0
LL-51-240-λ
2" dia.
238.4 mm
20.6 mm
10.1 µm
163.06
plano
6.0
LL-51-300-λ
2" dia.
298.1 mm
24.3 mm
10.7 µm
203.91
plano
6.0
LL-51-380-λ
2" dia.
381.4 mm
29.0 mm
11.4 µm
260.90
plano
6.0
LL-51-475-λ
2" dia.
477.0 mm
34.3 mm
12.0 µm
326.28
plano
5.0
LL-51-610-λ
2" dia.
620.1 mm
41.4 mm
12.8 µm
424.15
plano
5.0
LL-51-760-λ
2" dia.
757.6 mm
48.8 mm
13.5 µm
518.17
plano
4.5
LL-51-1000-λ
2" dia.
1010.8 mm
48.8 mm
17.8 µm
691.41
plano
4.5
NOTE: Other diameters and focal lengths available
on a custom basis. Please Inquire
