Name: 20mm Dia., 1mm Thick, VIS 0° Coated, λ/4 Fused Silica Window
Brand: TECHSPEC
SKU: 72-349
Price: NT$4,515

20mm Dia., 1mm Thick, VIS 0° Coated, λ/4 Fused Silica Window

TECHSPEC® λ/4 UV Fused Silica Windows

Stock #72-349 New 5-7 Days

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NT$4,515

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NT$3,605

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STEP:step

PDF圖紙:pdf

基本圖形轉換規範:igs

圖紙(pdf):eprt

EO Spec Sheet Download All

Specifications

概況

Type:

Protective Window

物理和機械特性

Bevel:

Protective as needed

Clear Aperture (%):

Clear Aperture CA (mm):

18.00

Diameter (mm):

20.00 +0.00/-0.10

Thickness (mm):

1.00 ±0.10

Edges:

Fine Ground

Knoop Hardness (kg/mm²):

522

Parallelism (arcmin):

Poisson's Ratio:

0.16

Young's Modulus (GPa):

光學特性

Abbe Number (v_d):

67.8

Coating:

VIS 0° (425-675nm)

Coating Specification:

R_avg ≤0.4% @ 425 - 675nm

Index of Refraction (n_d):

1.458

Substrate: Many glass manufacturers offer the same material characteristics under different trade names. Learn More

Fused Silica (Corning 7980)

Surface Quality:

40-20

Transmitted Wavefront, P-V:

λ/4

Wavelength Range (nm):

425 - 675

5 J/cm² @ 532nm, 10ns

材料特性

Coefficient of Thermal Expansion CTE (10^-6/°C):

0.52 (+5 to +35°C)
0.57 (0 to +200°C)
0.48 (-100 to +200°C)

Density (g/cm³):

2.20

Regulatory Compliance

RoHS 2015:

Compliant

Certificate of Conformance:

View

REACH 241:

Compliant

產品概覽

供應未鍍膜或 BBAR 鍍膜版本，適用於紫外線、可見光及近紅外線
是成像應用的理想選擇
提供5mm 到 200mm尺寸的圓形和方形版本選項
同時供應1λ 或 λ/10 紫外線熔融石英窗鏡

TECHSPEC® λ/4 紫外線熔融石英窗鏡，是以 40-20 的表面品質及 λ/4 穿透波前規格製造，是成像應用的理想選擇。本系列窗鏡採用紫外線熔融石英基材，可在紫外線 (UV)、可見光乃至於近紅外線 (NIR) 之中提供高穿透率。其中提供寬頻抗反射 (BBAR) 鍍膜選項，協助盡量減少反射損耗並提升穿透率。TECHSPEC λ/4 紫外線熔融石英窗鏡可用於光學成像應用及中低功率雷射應用，並可作為保護窗鏡，特別是在需要穿透紫外線光的應用。

Technical Information

FUSED SILICA
	Typical transmission of a 3mm thick, uncoated fused silica window across the UV - NIR spectra. Click Here to Download Data
	Typical transmission of a 3mm thick fused silica window with MgF2 (400-700nm) coating at 0° AOI. The blue shaded region indicates the coating design wavelengh range, with the following specification: R_avg ≤ 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 fused silica window with UV-AR (250-425nm) coating at 0° AOI. The blue shaded region indicates the coating design wavelengh range, with the following specification: R_abs ≤ 1.0% @ 250 - 425nm R_avg ≤ 0.75% @ 250 - 425nm R_avg ≤ 0.5% @ 370 - 420nm Data outside this range is not guaranteed and is for reference only. Click Here to Download Data
	Typical transmission of a 3mm thick fused silica window with UV-VIS (250-700nm) coating at 0° AOI. The blue shaded region indicates the coating design wavelengh range, with the following specification: R_abs ≤ 1.0% @ 350 - 450nm R_avg ≤ 1.5% @ 250 - 700nm Data outside this range is not guaranteed and is for reference only. Click Here to Download Data
	Typical transmission of a 3mm thick fused silica window with VIS-EXT (350-700nm) coating at 0° AOI. The blue shaded region indicates the coating design wavelengh range, with the following specification: R_avg≤ 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 fused silica window with VIS-NIR (400-1000nm) coating at 0° AOI. The blue shaded region indicates the coating design wavelengh range, with the following specification: R_abs≤ 0.25% @ 880nm R_avg≤ 1.25% @ 400 - 870nm R_avg≤ 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 fused silica window with VIS 0° (425-675nm) coating at 0° AOI. The blue shaded region indicates the coating design wavelengh range, with the following specification: R_avg≤ 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 fused silica window with YAG-BBAR (500-1100nm) coating at 0° AOI. The blue shaded region indicates the coating design wavelengh range, with the following specification: R_abs ≤ 0.25% @ 532nm R_abs ≤ 0.25% @ 1064nm R_avg≤ 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 fused silica window with NIR I (600 - 1050nm) coating at 0° AOI. The blue shaded region indicates the coating design wavelengh range, with the following specification: R_avg≤ 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 fused silica window with NIR II (750 - 1550nm) coating at 0° AOI. The blue shaded region indicates the coating design wavelengh range, with the following specification: R_abs ≤ 1.5% @ 750 - 800nm R_abs ≤ 1.0% @ 800 - 1550nm R_avg≤ 0.7% @ 750 - 1550nm Data outside this range is not guaranteed and is for reference only. Click Here to Download Data

Accessories

Coating Curves

Only 2 different Y Axises can be displayed at one time.

SHIFT + SELECT an area on CURVE to zoom

成像鏡頭選擇器

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資源

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Understanding Optical Windows

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Anti-Reflection (AR) Coating

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Parallelism

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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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Clear Aperture (CA)

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Surface Quality

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20mm Dia., 1mm Thick, VIS 0° Coated, λ/4 Fused Silica Window

Specifications

概況

物理和機械特性

光學特性

材料特性

Regulatory Compliance

產品概覽

Technical Information

Accessories

Coating Curves

相關產品

成像鏡頭選擇器

Frequently Purchased Together

資源

抗反射 (AR) 鍍膜

光學鍍膜簡介

Beam Displacement Calculator

UV vs. IR Grade Fused Silica

Understanding Optical Windows

Optical Windows Review

I need a window for imaging underwater. The water is filtered and at room temperature with a very small amount of detergent in it. It is flowing at low speed. Will a MgF2 coated window survive this for a few years?

光學玻璃

Surface Accuracy

BBAR Coating

了解表面品質規格

Removing Protective Plastic Coating

Anti-Reflection (AR) Coating

Bevel

Parallelism

Seamed Edge

Introduction to Basic Ray Optics

Surface Flatness

Transmission

How do I clean my optics?

Clear Aperture (CA)

愛特蒙特光學遍佈全球的製造工廠

愛特蒙特光學的度量技術：將測量作為製造的關鍵要素

Surface Quality