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矩形连续ND滤波器 | 瑆创光学电子商店

矩形连续ND滤波器

BK7 在一般可见光和近红外波长中具有出色的透射率,因此非常适合用于新密度滤光片。BK7 矩形连续 ND 滤光片可以通过沿其长度轴平移入射光束来调整要传输的光束的强度。通过的光谱将继续保持其中性光谱能量分布。它可以是金属合金可变密度片或低反转可变密度片。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。

 

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

类型

矩形连续 ND 滤镜

尺寸公差(mm)

±0.2

标准线性度

±5%

终点的标准差

±5%

表面质量

40-20

平行度(arcmin)

<3

<0.5mmx45°

损伤阈值(脉冲)

.5J/cm² (10ns/10Hz)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 


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Optical Density Range

Dimension A (mm)


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Compare Model Drawings & Specs Dimension A (mm) Dimension B (mm) Spectral Range (nm) Optical Density Range Availability Reference Price
(USD)
BK7-RCNDF-76.2-1.0
BK7, Rectangular Continuous ND Filters, Ø=76.2mm, OD Range: 0.04-1.0
76.225.4380-20000.04-1.0 2-3 Weeks $85.00
BK7-RCNDF-76.2-1.5
BK7, Rectangular Continuous ND Filters, Ø=76.2mm, OD Range: 0.04-1.5
76.225.4380-20000.04-1.5 2-3 Weeks $85.00
BK7-RCNDF-76.2-2.0
BK7, Rectangular Continuous ND Filters, Ø=76.2mm, OD Range: 0.04-2.0
76.225.4380-20000.04-2.0 2-3 Weeks $85.00
BK7-RCNDF-76.2-3.0
BK7, Rectangular Continuous ND Filters, Ø=76.2mm, OD Range: 0.04-3.0
76.225.4380-20000.04-3.0 2-3 Weeks $85.00
BK7-RCNDF-76.2-4.0
BK7, Rectangular Continuous ND Filters, Ø=76.2mm, OD Range: 0.04-4.0
76.225.4380-20000.04-4.0 2-3 Weeks $85.00

BK7-RCNDF-76.2-4.0 - Parameter

Type
Rectangular Continuous ND Filters

Material
BK7

Surface Quality
40-20

Chamfer
<0.5mmx45°

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

Dimensional Tolerance (mm)
±0.2

Parallelism (arcmin)
<3

Dimension A (mm)
76.2

Dimension B (mm)
25.4

Dimension C (mm)
1.6

Spectral Range (nm)
380-2000

Optical Density Range
0.04-4.0

Standard Linearity
±5%

BK7-RCNDF-76.2-3.0 - Parameter

Type
Rectangular Continuous ND Filters

Material
BK7

Surface Quality
40-20

Chamfer
<0.5mmx45°

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

Dimensional Tolerance (mm)
±0.2

Parallelism (arcmin)
<3

Dimension A (mm)
76.2

Dimension B (mm)
25.4

Dimension C (mm)
1.6

Spectral Range (nm)
380-2000

Optical Density Range
0.04-3.0

Standard Linearity
±5%

BK7-RCNDF-76.2-2.0 - Parameter

Type
Rectangular Continuous ND Filters

Material
BK7

Surface Quality
40-20

Chamfer
<0.5mmx45°

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

Dimensional Tolerance (mm)
±0.2

Parallelism (arcmin)
<3

Dimension A (mm)
76.2

Dimension B (mm)
25.4

Dimension C (mm)
1.6

Spectral Range (nm)
380-2000

Optical Density Range
0.04-2.0

Standard Linearity
±5%

BK7-RCNDF-76.2-1.5 - Parameter

Type
Rectangular Continuous ND Filters

Material
BK7

Surface Quality
40-20

Chamfer
<0.5mmx45°

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

Dimensional Tolerance (mm)
±0.2

Parallelism (arcmin)
<3

Dimension A (mm)
76.2

Dimension B (mm)
25.4

Dimension C (mm)
1.6

Spectral Range (nm)
380-2000

Optical Density Range
0.04-1.5

Standard Linearity
±5%

BK7-RCNDF-76.2-1.0 - Parameter

Type
Rectangular Continuous ND Filters

Material
BK7

Surface Quality
40-20

Chamfer
<0.5mmx45°

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

Dimensional Tolerance (mm)
±0.2

Parallelism (arcmin)
<3

Dimension A (mm)
76.2

Dimension B (mm)
25.4

Dimension C (mm)
1.6

Spectral Range (nm)
380-2000

Optical Density Range
0.04-1.0

Standard Linearity
±5%

BK7-RCNDF-76.2-4.0 - Download

BK7-RCNDF-76.2-3.0 - Download

BK7-RCNDF-76.2-2.0 - Download

BK7-RCNDF-76.2-1.5 - Download

BK7-RCNDF-76.2-1.0 - Download

Accessories

Compare Model Drawings & Specs Availability Reference Price
(USD)