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径向连续ND滤波器 | 瑆创光学电子商店

Products / 光学元件 /滤光片 /中性密度过滤器 /径向连续ND滤波器 /
径向连续ND滤波器
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径向连续 ND 滤光片可以通过沿其直径平移到中心轴来调整要传输的入射光束的强度。通过的光谱将继续保持其中性光谱能量分布。该滤光片通常用于激光和医疗应用。通过组合两个滤波器，可以在更大区域内获得固定密度衰减效果。我们滤光片的光谱范围为250-2500nm。

BK7 是高质量光学元件中最常见的光学玻璃，因为它是一种硬质玻璃，可以承受各种物理和化学暴露。它相对耐刮擦和耐化学腐蚀，具有低气泡和夹杂物含量，因此使其成为精密镜片的理想选择。它是通用视觉和近红外应用的理想选择，因为它具有出色的透射率。

 

衰减水平由滤光片的光密度 （OD） 指定。

OD 定义为传输系数的以 10 为底的对数的负数，

该方程式可以表示为：

OD= - Log10 （T/100），

其中 T 是以百分比表示的传输。

例如，T= 1% 的中性密度滤光片的 OD 为 2。

 

一般规格

材料

BK7型

类型

径向连续ND滤镜

光密度的标准偏差

±5%

直径公差（mm）

+0/-0.15

标准波长（nm）

550

光谱范围（nm）

380-2000

厚度公差（mm）

±0.1

标准线性度

±5%

表面质量

40-20

通光孔径

>85%

平行度（arcmin）

3

槽

<0.5mmx45°

损伤阈值（脉冲）

7.5J/cm² (10ns/10Hz)

 

 

 

 

 

 

 

 

 

 

 

 


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Dark Zone

Optical Density

Diameter (mm)


Search Reset
Compare Model Drawings & Specs Spectral Range (nm) Optical Density Diameter (mm) Dark Zone Availability Reference Price
(USD)
BK7-RVNDF-25-1-C
BK7, Radial Continuous ND Filters, Ø= 25mm, OD = 1, Dark Zone: Center 		380-2000125Center 2-3 Weeks Request for quote
BK7-RVNDF-25-2-C
BK7, Radial Continuous ND Filters, Ø= 25mm, OD = 2, Dark Zone: Center 		380-2000225Center 2-3 Weeks Request for quote
BK7-RVNDF-25-3-C
BK7, Radial Continuous ND Filters, Ø= 25mm, OD = 3, Dark Zone: Center 		380-2000325Center 2-3 Weeks Request for quote
BK7-RVNDF-25-4-C
BK7, Radial Continuous ND Filters, Ø= 25mm, OD = 4, Dark Zone: Center 		380-2000425Center 2-3 Weeks Request for quote
BK7-RVNDF-50-1-C
BK7, Radial Continuous ND Filters, Ø= 50mm, OD = 1, Dark Zone: Center 		380-2000150Center 2-3 Weeks Request for quote
BK7-RVNDF-50-2-C
BK7, Radial Continuous ND Filters, Ø= 50mm, OD = 2, Dark Zone: Center 		380-2000250Center 2-3 Weeks Request for quote
BK7-RVNDF-50-3-C
BK7, Radial Continuous ND Filters, Ø= 50mm, OD = 3, Dark Zone: Center 		380-2000350Center 2-3 Weeks Request for quote
BK7-RVNDF-50-4-C
BK7, Radial Continuous ND Filters, Ø= 50mm, OD = 4, Dark Zone: Center 		380-2000450Center 2-3 Weeks Request for quote
BK7-RVNDF-25-1-E
BK7, Radial Continuous ND Filters, Ø= 25mm, OD = 1, Dark Zone: Edge 		380-2000125Edge 2-3 Weeks Request for quote
BK7-RVNDF-25-2-E
BK7, Radial Continuous ND Filters, Ø= 25mm, OD = 2, Dark Zone: Edge 		380-2000225Edge 2-3 Weeks Request for quote
BK7-RVNDF-25-3-E
BK7, Radial Continuous ND Filters, Ø= 25mm, OD = 3, Dark Zone: Edge 		380-2000325Edge 2-3 Weeks Request for quote
BK7-RVNDF-25-4-E
BK7, Radial Continuous ND Filters, Ø= 25mm, OD = 4, Dark Zone: Edge 		380-2000425Edge 2-3 Weeks Request for quote
BK7-RVNDF-50-1-E
BK7, Radial Continuous ND Filters, Ø= 50mm, OD = 1, Dark Zone: Edge 		380-2000150Edge 2-3 Weeks Request for quote
BK7-RVNDF-50-2-E
BK7, Radial Continuous ND Filters, Ø= 50mm, OD = 2, Dark Zone: Edge 		380-2000250Edge 2-3 Weeks Request for quote
BK7-RVNDF-50-3-E
BK7, Radial Continuous ND Filters, Ø= 50mm, OD = 3, Dark Zone: Edge 		380-2000350Edge 2-3 Weeks Request for quote
BK7-RVNDF-50-4-E
BK7, Radial Continuous ND Filters, Ø= 50mm, OD = 4, Dark Zone: Edge 		380-2000450Edge 2-3 Weeks Request for quote

BK7-RVNDF-50-4-E - Parameter

Type
Radial Continuous ND Filters

Material
BK7

Diameter (mm)
50

Diameter Tolerance (mm)
+0/-0.15

Surface Quality
40-20

Clear Aperture
>85%

Chamfer
<0.5mmx45°

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

Parallelism (arcmin)
3

Spectral Range (nm)
380-2000

Optical Density
4

Standard Wavelength (nm)
550

Mount Thickness Tolerance (mm)
±0.1

Standard Deviation of Optical Density
±5%

Standard Linearity
±5%

Dark Zone
Edge

BK7-RVNDF-50-3-E - Parameter

Type
Radial Continuous ND Filters

Material
BK7

Diameter (mm)
50

Diameter Tolerance (mm)
+0/-0.15

Surface Quality
40-20

Clear Aperture
>85%

Chamfer
<0.5mmx45°

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

Parallelism (arcmin)
3

Spectral Range (nm)
380-2000

Optical Density
3

Standard Wavelength (nm)
550

Mount Thickness Tolerance (mm)
±0.1

Standard Deviation of Optical Density
±5%

Standard Linearity
±5%

Dark Zone
Edge

BK7-RVNDF-50-2-E - Parameter

Type
Radial Continuous ND Filters

Material
BK7

Diameter (mm)
50

Diameter Tolerance (mm)
+0/-0.15

Surface Quality
40-20

Clear Aperture
>85%

Chamfer
<0.5mmx45°

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

Parallelism (arcmin)
3

Spectral Range (nm)
380-2000

Optical Density
2

Standard Wavelength (nm)
550

Mount Thickness Tolerance (mm)
±0.1

Standard Deviation of Optical Density
±5%

Standard Linearity
±5%

Dark Zone
Edge

BK7-RVNDF-50-1-E - Parameter

Type
Radial Continuous ND Filters

Material
BK7

Diameter (mm)
50

Diameter Tolerance (mm)
+0/-0.15

Surface Quality
40-20

Clear Aperture
>85%

Chamfer
<0.5mmx45°

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

Parallelism (arcmin)
3

Spectral Range (nm)
380-2000

Optical Density
1

Standard Wavelength (nm)
550

Mount Thickness Tolerance (mm)
±0.1

Standard Deviation of Optical Density
±5%

Standard Linearity
±5%

Dark Zone
Edge

BK7-RVNDF-25-4-E - Parameter

Type
Radial Continuous ND Filters

Material
BK7

Diameter (mm)
25

Diameter Tolerance (mm)
+0/-0.15

Surface Quality
40-20

Clear Aperture
>85%

Chamfer
<0.5mmx45°

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

Parallelism (arcmin)
3

Spectral Range (nm)
380-2000

Optical Density
4

Standard Wavelength (nm)
550

Mount Thickness Tolerance (mm)
±0.1

Standard Deviation of Optical Density
±5%

Standard Linearity
±5%

Dark Zone
Edge

BK7-RVNDF-25-3-E - Parameter

Type
Radial Continuous ND Filters

Material
BK7

Diameter (mm)
25

Diameter Tolerance (mm)
+0/-0.15

Surface Quality
40-20

Clear Aperture
>85%

Chamfer
<0.5mmx45°

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

Parallelism (arcmin)
3

Spectral Range (nm)
380-2000

Optical Density
3

Standard Wavelength (nm)
550

Mount Thickness Tolerance (mm)
±0.1

Standard Deviation of Optical Density
±5%

Standard Linearity
±5%

Dark Zone
Edge

BK7-RVNDF-25-2-E - Parameter

Type
Radial Continuous ND Filters

Material
BK7

Diameter (mm)
25

Diameter Tolerance (mm)
+0/-0.15

Surface Quality
40-20

Clear Aperture
>85%

Chamfer
<0.5mmx45°

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

Parallelism (arcmin)
3

Spectral Range (nm)
380-2000

Optical Density
2

Standard Wavelength (nm)
550

Mount Thickness Tolerance (mm)
±0.1

Standard Deviation of Optical Density
±5%

Standard Linearity
±5%

Dark Zone
Edge

BK7-RVNDF-25-1-E - Parameter

Type
Radial Continuous ND Filters

Material
BK7

Diameter (mm)
25

Diameter Tolerance (mm)
+0/-0.15

Surface Quality
40-20

Clear Aperture
>85%

Chamfer
<0.5mmx45°

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

Parallelism (arcmin)
3

Spectral Range (nm)
380-2000

Optical Density
1

Standard Wavelength (nm)
550

Mount Thickness Tolerance (mm)
±0.1

Standard Deviation of Optical Density
±5%

Standard Linearity
±5%

Dark Zone
Edge

BK7-RVNDF-50-4-C - Parameter

Type
Radial Continuous ND Filters

Material
BK7

Diameter (mm)
50

Diameter Tolerance (mm)
+0/-0.15

Surface Quality
40-20

Clear Aperture
>85%

Chamfer
<0.5mmx45°

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

Parallelism (arcmin)
3

Spectral Range (nm)
380-2000

Optical Density
4

Standard Wavelength (nm)
550

Mount Thickness Tolerance (mm)
±0.1

Standard Deviation of Optical Density
±5%

Standard Linearity
±5%

Dark Zone
Center

BK7-RVNDF-50-3-C - Parameter

Type
Radial Continuous ND Filters

Material
BK7

Diameter (mm)
50

Diameter Tolerance (mm)
+0/-0.15

Surface Quality
40-20

Clear Aperture
>85%

Chamfer
<0.5mmx45°

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

Parallelism (arcmin)
3

Spectral Range (nm)
380-2000

Optical Density
3

Standard Wavelength (nm)
550

Mount Thickness Tolerance (mm)
±0.1

Standard Deviation of Optical Density
±5%

Standard Linearity
±5%

Dark Zone
Center

BK7-RVNDF-50-2-C - Parameter

Type
Radial Continuous ND Filters

Material
BK7

Diameter (mm)
50

Diameter Tolerance (mm)
+0/-0.15

Surface Quality
40-20

Clear Aperture
>85%

Chamfer
<0.5mmx45°

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

Parallelism (arcmin)
3

Spectral Range (nm)
380-2000

Optical Density
2

Standard Wavelength (nm)
550

Mount Thickness Tolerance (mm)
±0.1

Standard Deviation of Optical Density
±5%

Standard Linearity
±5%

Dark Zone
Center

BK7-RVNDF-50-1-C - Parameter

Type
Radial Continuous ND Filters

Material
BK7

Diameter (mm)
50

Diameter Tolerance (mm)
+0/-0.15

Surface Quality
40-20

Clear Aperture
>85%

Chamfer
<0.5mmx45°

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

Parallelism (arcmin)
3

Spectral Range (nm)
380-2000

Optical Density
1

Standard Wavelength (nm)
550

Mount Thickness Tolerance (mm)
±0.1

Standard Deviation of Optical Density
±5%

Standard Linearity
±5%

Dark Zone
Center

BK7-RVNDF-25-4-C - Parameter

Type
Radial Continuous ND Filters

Material
BK7

Diameter (mm)
25

Diameter Tolerance (mm)
+0/-0.15

Surface Quality
40-20

Clear Aperture
>85%

Chamfer
<0.5mmx45°

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

Parallelism (arcmin)
3

Spectral Range (nm)
380-2000

Optical Density
4

Standard Wavelength (nm)
550

Mount Thickness Tolerance (mm)
±0.1

Standard Deviation of Optical Density
±5%

Standard Linearity
±5%

Dark Zone
Center

BK7-RVNDF-25-3-C - Parameter

Type
Radial Continuous ND Filters

Material
BK7

Diameter (mm)
25

Diameter Tolerance (mm)
+0/-0.15

Surface Quality
40-20

Clear Aperture
>85%

Chamfer
<0.5mmx45°

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

Parallelism (arcmin)
3

Spectral Range (nm)
380-2000

Optical Density
3

Standard Wavelength (nm)
550

Mount Thickness Tolerance (mm)
±0.1

Standard Deviation of Optical Density
±5%

Standard Linearity
±5%

Dark Zone
Center

BK7-RVNDF-25-2-C - Parameter

Type
Radial Continuous ND Filters

Material
BK7

Diameter (mm)
25

Diameter Tolerance (mm)
+0/-0.15

Surface Quality
40-20

Clear Aperture
>85%

Chamfer
<0.5mmx45°

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

Parallelism (arcmin)
3

Spectral Range (nm)
380-2000

Optical Density
2

Standard Wavelength (nm)
550

Mount Thickness Tolerance (mm)
±0.1

Standard Deviation of Optical Density
±5%

Standard Linearity
±5%

Dark Zone
Center

BK7-RVNDF-25-1-C - Parameter

Type
Radial Continuous ND Filters

Material
BK7

Diameter (mm)
25

Diameter Tolerance (mm)
+0/-0.15

Surface Quality
40-20

Clear Aperture
>85%

Chamfer
<0.5mmx45°

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

Parallelism (arcmin)
3

Spectral Range (nm)
380-2000

Optical Density
1

Standard Wavelength (nm)
550

Mount Thickness Tolerance (mm)
±0.1

Standard Deviation of Optical Density
±5%

Standard Linearity
±5%

Dark Zone
Center

BK7-RVNDF-50-4-E - Download

BK7-RVNDF-50-3-E - Download

BK7-RVNDF-50-2-E - Download

BK7-RVNDF-50-1-E - Download

BK7-RVNDF-25-4-E - Download

BK7-RVNDF-25-3-E - Download

BK7-RVNDF-25-2-E - Download

BK7-RVNDF-25-1-E - Download

BK7-RVNDF-50-4-C - Download

BK7-RVNDF-50-3-C - Download

BK7-RVNDF-50-2-C - Download

BK7-RVNDF-50-1-C - Download

BK7-RVNDF-25-4-C - Download

BK7-RVNDF-25-3-C - Download

BK7-RVNDF-25-2-C - Download

BK7-RVNDF-25-1-C - Download

Accessories

Compare Model Drawings & Specs Availability Reference Price
(USD)

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