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Achromatic Lens

Achromatic lenses are doublet systems consisting of one crown and one flint element, cemented together along a matching curvature, so that white light coming into the lens is all focused (imaged) at the same point on the other side of the lens.They are designed to minimize spherical and chromatic aberrations for infinite conjugate, visible spectrum imaging applications. When used on-axis, an achromatic lens focuses an parallel input beam to a perfect "point", limited only by the effects of diffraction. This performance can be achieved over a broadband of wavelength. Achromatic lenses can be used to collimate and focus laser beams. They can also be used for high-quality imaging on-axis. However, the off-axis performance is significantly worse than the on-axis performance. If your application requires good optical performance off-axis as well as on-axis, multi-element lenses.

Material:

Fused Silica or BK7

Design Wavelength:

546.1nm, n=1.46008

Diameter Tolerance:

+0.0/-0.1mm

Paraxial Focal Length:

±2%

Centration:

3 arcmin

Surface Figure :

/4 @ 632.8 nm

Surface Quality:

20/10

Clear Aperture:

>80%

Bevel:

<0.25mm X 45°

Coating:

AR coating or HR coating

 

 

Item#

Dia

f

R1

R2=R3

R4

Tc

Te

fb

Lens A

Lens B

ALP0-001

6.0

15.0

8.831

-6.55

-19.77

2.71

1.0

13.07

BK7

SF5

ALP0-002

6.0

20.0

12.36

-8.51

-24.38

2.6

1.0

18.29

BK7

SF5

ALP0-003

6.0

25.0

15.70

-10.67

-29.99

2.3

1.0

23.46

BK7

SF5

ALP0-004

6.0

30.0

18.88

-12.94

-36.48

1.9

1.0

28.69

BK7

SF5

ALP0-005

8.0

25.0

15.60

-10.81

-30.48

2.9

1.0

23.13

BK7

SF5

ALP0-006

8.0

30.0

18.88

-12.88

-36.22

2.7

1.0

28.28

BK7

SF5

ALP0-101

10.0

20.0

12.32

-9.02

-25.23

3.8

1.0

17.63

BK7

SF5

ALP0-102

12.0

25.0

15.35

-11.35

-31.92

4.2

1.3

22.29

BK7

SF5

ALP0-103

12.7

30.0

18.54

-13.49

-37.84

4.0

1.3

27.36

BK7

SF5

ALP0-104

12.7

40.0

25.23

-17.54

-48.75

3.4

1.3

37.78

BK7

SF5

ALP0-105

12.7

50.0

31.26

-21.93

-62.37

3.1

1.3

47.99

BK7

SF5

ALP0-106

12.7

60.0

37.33

-26.42

-75.86

2.8

1.3

58.13

BK7

SF5

ALP0-107

12.7

75.0

46.77

-32.96

-94.62

2.6

1.3

73.23

BK7

SF5

ALP0-108

13.0

40.5

25.41

-18.07

-50.47

3.0

1.3

38.48

BK7

SF5

ALP0-109

14.0

44.0

27.54

-19.54

-54.95

3.3

1.3

41.83

BK7

SF5

ALP0-111

18.0

40.0

24.27

-18.37

-53.09

5.4

1.5

36.51

BK7

SF5

ALP0-112

18.0

50.0

31.69

-22.00

-60.57

4.8

1.5

46.99

BK7

SF5

ALP0-113

18.0

60.0

37.84

-26.49

-73.79

4.1

1.5

57.30

BK7

SF5

ALP0-202

25.4

60.0

37.33

-27.16

-75.86

7.0

2.0

55.57

BK7

SF5

ALP0-205

25.4

120.0

73.28

-54.33

-159.9

4.2

2.0

117.1

BK7

SF5

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