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TECHSPEC® components are designed, specified, or manufactured by Edmund Optics. TECHSPEC® 组件由爱特蒙特光学设计、规定或生产。 了解更多

25mm直径 x 75mm焦距,镀近红外-II膜,双凸透镜

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Product Details

类型:
Double-Convex Lens

Physical & Mechanical Properties

直径 (mm):
25.00 +0.0/-0.025
中心偏(弧分):
<1
中心厚度 CT (mm):
3.50
中心厚度容差 (mm):
±0.10
边缘厚度 ET (mm):
1.45
有效孔径 CA(mm):
24.00

Optical Properties

后焦距 BFL (mm):
73.84
有效焦距 EFL (mm):
75.00
涂层:
NIR II (750-1550nm)
涂层规格:
Rabs ≤1.5% @ 750 - 800nm
Rabs ≤1.0% @ 800 - 1550nm
Ravg ≤0.7% @ 750 - 1550nm
基底: Many glass manufacturers offer the same material characteristics under different trade names. Learn More
表面质量:
40-20
Power (P-V) @ 632.8nm:
1.5λ
Irregularity (P-V) @ 632.8nm:
λ/4
半径 R1=-R2 (mm):
76.66
有效焦距/有效孔径直径比:
3.00
焦距指定波长 (nm):
587.6
焦距容差 (%):
±1.00
数字孔径 NA:
0.17
波长范围 (nm):
750 - 1550
Damage Threshold, Reference: Damage threshold for optical components varies by substrate material and coating. Click here to learn more about this specification.
8 J/cm2 @ 1064nm, 10ns

合规性

RoHS 2015:
Certificate of Conformance:
Reach 235:

产品系列说明

TECHSPEC® NIR II 镀膜双凸透镜有两个正的、对称的面,两边的半径相等。这些透镜通常被推荐用于共轭比(物距和像距之间的比率)在0.2和5之间的有限成像应用。在共轭比为1时,由于对称透镜的设计,球差、色差、慧差和畸变等像差得以最小化或消除。TECHSPEC 双凸透镜有多种基底和镀膜可选,适用于可见光和近红外光谱。

技术信息

N-BK7

Typical transmission of a 3mm thick, uncoated N-BK7 window across the UV - NIR spectra.

Click Here to Download Data

Typical transmission of a 3mm thick N-BK7 window with MgF2 (400-700nm) coating at 0° AOI.

The blue shaded region indicates the coating design wavelengh range, with the following specification: 

Ravg ≤ 1.75% @ 400 - 700nm (N-BK7)

Data outside this range is not guaranteed and is for reference only.

Click Here to Download Data

Typical transmission of a 3mm thick N-BK7 window with VIS-EXT (350-700nm) coating at 0° AOI.

The blue shaded region indicates the coating design wavelengh range, with the following specification: 

Ravg ≤ 0.5% @ 350 - 700nm

Data outside this range is not guaranteed and is for reference only.

Click Here to Download Data

Typical transmission of a 3mm thick N-BK7 window with VIS-NIR (400-1000nm) coating at 0° AOI.

The blue shaded region indicates the coating design wavelengh range, with the following specification: 

Rabs ≤ 0.25% @ 880nm
Ravg ≤ 1.25% @ 400 - 870nm
Ravg ≤ 1.25% @ 890 - 1000nm

Data outside this range is not guaranteed and is for reference only.

Click Here to Download Data

Typical transmission of a 3mm thick N-BK7 window with VIS 0° (425-675nm) coating at 0° AOI.

The blue shaded region indicates the coating design wavelengh range, with the following specification: 

Ravg ≤ 0.4% @ 425 - 675nm

Data outside this range is not guaranteed and is for reference only.

Click Here to Download Data

Typical transmission of a 3mm thick N-BK7 window with YAG-BBAR (500-1100nm) coating at 0° AOI.

The blue shaded region indicates the coating design wavelengh range, with the following specification: 

Rabs ≤ 0.25% @ 532nm
Rabs ≤ 0.25% @ 1064nm
Ravg ≤ 1.0% @ 500 - 1100nm

Data outside this range is not guaranteed and is for reference only.

Click Here to Download Data

Typical transmission of a 3mm thick N-BK7 window with NIR I (600 - 1050nm) coating at 0° AOI.

The blue shaded region indicates the coating design wavelengh range, with the following specification: 

Ravg ≤ 0.5% @ 600 - 1050nm

Data outside this range is not guaranteed and is for reference only.

Click Here to Download Data

Typical transmission of a 3mm thick N-BK7 window with NIR II (750 - 1550nm) coating at 0° AOI.

The blue shaded region indicates the coating design wavelengh range, with the following specification: 

Rabs ≤ 1.5% @ 750 - 800nm
Rabs ≤ 1.0% @ 800 - 1550nm
Ravg ≤ 0.7% @ 750 - 1550nm

Data outside this range is not guaranteed and is for reference only.

Click Here to Download Data

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VIS/NIR Coating

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下一代球面透镜

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You offer many substrates for UV and IR applications. How do I know which is best for me?

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How do I clean my lenses?

Is it possible to find Plano-Concave (PCV) or Double Concave (DCV) lenses where the diameter is greater than the focal length?

How does reversing the orientation of a PCX lens affect the EFL and BFL in a setup?

Double-Concave (DCV) Lens

Double-Convex (DCX) Lens

Meniscus Lens

Plano-Concave (PCV) Lens

Plano-Convex (PCX) Lens

在红外应用中使用弯月透镜的优势

Meniscus lenses offer superior performance compared to plano convex lenses in IR applications. Find out the benefits of using a meniscus lens at Edmund Optics.

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快速光学原型制造

Quickly Respond to Collapsing Product Lifecycles

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技巧#3—把球面镜变成非球面镜

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I am looking to prototype an illumination system. My objective is to use a small halogen filament bulb and end up with a beam of light. What would be the best lens or lens combination to give me this projected spot of light?

What is the difference between the effective focal length and the back focal length?

What are the benefits of aspheric lenses compared to standard singlet lenses?

Back Focal Length (BFL)

Field Curvature

Sag

光学玻璃

Choosing the right optical glass is important. Find out factors and properties on how to select the right optical glass at Edmund Optics.

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像差如何影响机器视觉镜头

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分辨率与对比度限制:艾里斑

The diffraction pattern caused when light passes through an aperture is called the Airy Disk. Find out how the Airy Disk can impact your image at Edmund Optics.

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What is the difference between an inked lens and a non-inked one?

If I want to design with your lenses and lens assemblies, how do I get the information that I need?

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Center Thickness (CT)

Chromatic Focal Shift

Conjugate Distance

Épaisseur de bord

Distance focale effective (EFL)

Finite/Finite Conjugate

Power

Singlet Lens

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Collimated light occurs when light rays travel parallel to each other.

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技巧#4—为现货元件镀膜

Join Andrew Fisher, Manufacturing R&D Engineer at Edmund Optics, as he discusses some tips for modifying stock optical components to fit your application's needs.

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Irregularity

Radius of Curvature

BBAR Coating

Diopter

了解表面质量

The surface quality of optical components the scattering off of its surface, which is especially important in laser optics applications.

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Anti-Reflection (AR) Coating

Bevel

Seamed Edge

Introduction to Basic Ray Optics

An understanding of refraction and basic ray optics is a critical foundation for understanding more complicated optical concepts and technologies.

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Surface Flatness

Transmission

How do I clean my optics?

Integration of Optical Systems

Are you looking to use integration in your next system? Find out more about integrating in both imaging and non-imaging applications at Edmund Optics.

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现货和定制光学件制造技术

Edmund Optics is a global stock and custom optics manufacturing company with in house optical designers and on-site metrology and environmental testing.

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EO 全球制造基地

Edmund Optics® (EO) manufactures millions of precision optical components and subassemblies every year in our 5 global manufacturing facilities.

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爱特蒙特光学的计量技术:测量是制造的关键环节

Learn about the metrology that Edmund Optics® uses to guarantee the quality of all optical components and assemblies.

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Clear Aperture (CA)

Refraction

Surface Quality

 
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