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Dove Prism

This type of prism is a half of a common right-angle prism with the right-angle corner truncated parallel to the hypotenuse face. Light, parallel to the hypotenuse face, enters one of slope faces, has total internal reflection on that face, and emerges from the other slope face parallel to its incident direction. Because of one reflection on the hypotenuse face, the image is flipped and inverted, but not laterally transposed. The emerging light is continued in the incident direction. The most interested property of the Dove prism is that, if the prism is rotated about the incident axis through an angle, the image rotates twice of that angle. This makes it as a beam rotator which is widely used in optical instruments. A Dove prism must be used in parallel light or a collimated beam.


General Specifications

Shape

Dove Prism

Material

BK7

Coating

Uncoated

Dimensional Tolerance(mm)

±0.2

Angle Tolerance

<3 arcmin

Number of Polished Faces

3

Flatness

λ/4@633nm

Surface Quality

40/20

Clear Aperture

>90%

Chamfer

0.5mmx45°

Damage Threshold(pulsed)

7.5 J/cm2 (10ns/10Hz)






Notes:

Dimension B (mm)

Dimension A (mm)


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Compare Model Drawings & Specs Angle Tolerance Dimension A (mm) Dimension B (mm) Dimension C (mm) Angle (degree) Availability Price
BK7-DP-42.28-14-10-U
BK7, Dove Prism, A=42.28mm, B=14.14mm, C=10mm, Uncoated
<3 arcmin42.28141045 In Stock $62.40
BK7-DP-84.56-28-20-U
BK7, Dove Prism, A=84.56mm, B=28.18mm, C=20mm, Uncoated
<3 arcmin84.56282045 In Stock $90.30
BK7-DP-21.1-5-5-U
BK7, Dove Prism, A=21.1mm, B=5mm, C=5mm, Uncoated
<3 arcmin21.15545 In Stock $50.00
BK7-DP-42.3-10-10-U
BK7, Dove Prism, A=42.3mm, B=10mm, C=10mm, Uncoated
<3 arcmin42.3101045 In Stock $60.00
BK7-DP-63.4-15-15-U
BK7, Dove Prism, A=63.4mm, B=15mm, C=15mm, Uncoated
<3 arcmin63.4151545 In Stock $80.00
BK7-DP-80-20-20-U
BK7, Dove Prism, A=80mm, B=20mm, C=20mm, Uncoated
<3 arcmin80202045 In Stock $120.00

BK7-DP-80-20-20-U - Parameter

Type
Dove Prism

Material
BK7

Coating
Uncoated

Surface Quality
40/20

Clear Aperture
>90%

Chamfer
<0.5mmx45°

Damage Threshold (pulsed)
7.5 J/cm2 (10ns/10Hz)

Dimensional Tolerance (mm)
+0/-0.2

Flatness
<λ/4@633nm

Angle Tolerance
<3 arcmin

Dimension A (mm)
80

Dimension B (mm)
20

Dimension C (mm)
20

Angle (degree)
45

BK7-DP-63.4-15-15-U - Parameter

Type
Dove Prism

Material
BK7

Coating
Uncoated

Surface Quality
40/20

Clear Aperture
>90%

Chamfer
<0.5mmx45°

Damage Threshold (pulsed)
7.5 J/cm2 (10ns/10Hz)

Dimensional Tolerance (mm)
+0/-0.2

Flatness
<λ/4@633nm

Angle Tolerance
<3 arcmin

Dimension A (mm)
63.4

Dimension B (mm)
15

Dimension C (mm)
15

Angle (degree)
45

BK7-DP-42.3-10-10-U - Parameter

Type
Dove Prism

Material
BK7

Coating
Uncoated

Surface Quality
40/20

Clear Aperture
>90%

Chamfer
<0.5mmx45°

Damage Threshold (pulsed)
7.5 J/cm2 (10ns/10Hz)

Dimensional Tolerance (mm)
+0/-0.2

Flatness
<λ/4@633nm

Angle Tolerance
<3 arcmin

Dimension A (mm)
42.3

Dimension B (mm)
10

Dimension C (mm)
10

Angle (degree)
45

BK7-DP-21.1-5-5-U - Parameter

Type
Dove Prism

Material
BK7

Coating
Uncoated

Surface Quality
40/20

Clear Aperture
>90%

Chamfer
<0.5mmx45°

Damage Threshold (pulsed)
7.5 J/cm2 (10ns/10Hz)

Dimensional Tolerance (mm)
+0/-0.2

Flatness
<λ/4@633nm

Angle Tolerance
<3 arcmin

Dimension A (mm)
21.1

Dimension B (mm)
5

Dimension C (mm)
5

Angle (degree)
45

BK7-DP-84.56-28-20-U - Parameter

Type
Dove Prism

Material
BK7

Coating
Uncoated

Surface Quality
40/20

Clear Aperture
>90%

Chamfer
<0.5mmx45°

Damage Threshold (pulsed)
7.5 J/cm2 (10ns/10Hz)

Dimensional Tolerance (mm)
+0/-0.2

Flatness
<λ/4@633nm

Angle Tolerance
<3 arcmin

Dimension A (mm)
84.56

Dimension B (mm)
28

Dimension C (mm)
20

Angle (degree)
45

BK7-DP-42.28-14-10-U - Parameter

Type
Dove Prism

Material
BK7

Coating
Uncoated

Surface Quality
40/20

Clear Aperture
>90%

Chamfer
<0.5mmx45°

Damage Threshold (pulsed)
7.5 J/cm2 (10ns/10Hz)

Dimensional Tolerance (mm)
+0/-0.2

Flatness
<λ/4@633nm

Angle Tolerance
<3 arcmin

Dimension A (mm)
42.28

Dimension B (mm)
14

Dimension C (mm)
10

Angle (degree)
45

BK7-DP-80-20-20-U - Download

BK7-DP-63.4-15-15-U - Download

BK7-DP-42.3-10-10-U - Download

BK7-DP-21.1-5-5-U - Download

BK7-DP-84.56-28-20-U - Download

BK7-DP-42.28-14-10-U - Download

Accessories

Motorized Actuator Adapters

Compare Model Drawings & Specs Availability Price