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ADD:No.242 Beihai Street, Dadong District, Shenyang City, Liaoning Province

TLL:024-88722463(Filter)

  024-88710226(Reflector) 

  024-88710538(International)          

FAX:024-88722312(Filter)

      024-88710655(Reflector)

EMAIL:info@hb-optical.com

Fixed optical attenuator

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Fixed optical attenuator

The fixed density sheet is used as the light attenuation element, and the density sheet is directly encapsulated in the attenuator to obtain a fixed attenuation amount. The attenuator using the density plate as the light-reducing element is suitable for multiple wavelengths, and the attenuation deviation is small, and the accurate attenuation can be obtained through calibration.
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The fixed density sheet is used as the light attenuation element, and the density sheet is directly encapsulated in the attenuator to obtain a fixed attenuation amount. The attenuator using the density plate as the light-reducing element is suitable for multiple wavelengths, and the attenuation deviation is small, and the accurate attenuation can be obtained through calibration.
 
 
 
 
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We could not find any corresponding parameters, please add them to the properties table

Substrate

BK7, fused silica

Thickness tolerance

±0.1mm

Coating area

90% of the total area

Parallelism

3’

Surface Quality

80-50

Standard deviation of optical density

±5%

Calibration wavelength

550nm

Design wavelength

380nm-2000nm (BK7)

250nm-2500nm (fused silica)


Standard product:

 

Part Number

Dimensions (mm)

Optical density

Transmittance

Substrate

FND10-B12

Φ12.7

1.0

10.0 %

BK7

FND20-B12

Φ12.7

2.0

1.0%

BK7

FND30-B12

Φ12.7

3.0

0.1%

BK7

FND40-B12

Φ12.7

4.0

0.01%

BK7

FND10-B60

Φ60

1.0

10.0 %

BK7

FND20-B60

Φ60

2.0

1.0%

BK7

FND30-B60

Φ60

3.0

0.1%

BK7

FND40-B60

Φ60

4.0

0.01%

BK7

FND10-B50S

50 * 50

1.0

10.0 %

BK7

FND10-B50S

50 * 50

2.0

1.0%

BK7

 

Standard products:

 

Part Number

Size

Series

Substrate

FNDF-B12A

Φ12.7

A

BK7

FNDF-B12B

Φ12.7

B

BK7

FNDF-B60A

Φ60

A

BK7

FNDF-B60B

Φ60

B

BK7

FNDF-B50A S

50 * 50

A

BK7

FNDF-B50B S

50 * 50

B

BK7

 

Series type:

 

 

Optical density

A

0.1

0.2

0.3

0.4

0.5

0.6

0.7

0.8

0.9

 

Transmittance

B

15%

20%

25%

30%

40%

50%

60%

70%

80%


Other parameters such as size, optical density and wavelength can be customized according to customer needs. You are welcome to contact us.

 

 

It is mainly used in the field that needs to evenly attenuate the light intensity in a wide spectrum region.