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- Cookiebot
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  Some of the data collected by this provider is for the purposes of personalization and measuring advertising effectiveness.
  rc::aThis cookie is used to distinguish between humans and bots. This is beneficial for the website, in order to make valid reports on the use of their website.
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  最大存储时长: 临时类别: HTTP Cookie
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  最大存储时长: 永久类别: HTML 本地存储
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  最大存储时长: 永久类别: HTML 本地存储
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  conv_variationsThis cookie is used by the website’s operator in context with multi-variate testing. This is a tool used to combine or change content on the website. This allows the website to find the best variation/edition of the site.
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  _conv_rThis cookie is used as a referral-cookie that stores the visitor’s profile – the cookie is overwritten when the visitor re-enters the website and new information on the visitor is collected and stored.
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  Some of the data collected by this provider is for the purposes of personalization and measuring advertising effectiveness.
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  wisepops_props [x2]用于网站上的弹出式广告内容中。此 cookie 会确定应向访问者显示哪些广告，并确保这些广告的显示次数不会超出预期。
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  ce_diff_time由 Crazy Egg 用於偏移時間進行分析。
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营销cookie用于对网站上的访客进行追踪。其目的是为了显示对个人用户来说相关及有吸引力的广告，因此，对于发布人和第三方广告商来说更为宝贵。
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  Some of the data collected by this provider is for the purposes of personalization and measuring advertising effectiveness.
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  pagead/1p-user-list/#Tracks if the user has shown interest in specific products or events across multiple websites and detects how the user navigates between sites. This is used for measurement of advertisement efforts and facilitates payment of referral-fees between websites.
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  wisepops_session [x2]用于网站上的弹出式广告内容中。此 cookie 会确定应向访问者显示哪些广告，并确保这些广告的显示次数不会超出预期。
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  wisepops_visitor [x2]Used in context with pop-up advertisement-content on the website. The cookie determines which ads the visitor should be shown, as well as ensuring that the same ads does not get shown more than intended.
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  #-#Used to track user’s interaction with embedded content.
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  最大存储时长: 临时类别: HTML 本地存储
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  最大存储时长: 临时类别: HTTP Cookie
  LogsDatabaseV2:V#||LogsRequestsStoreStores the user's video player preferences using embedded YouTube video
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  remote_sidNecessary for the implementation and functionality of YouTube video-content on the website.
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  TESTCOOKIESENABLEDUsed to track user’s interaction with embedded content.
  最大存储时长: 1 天类别: HTTP Cookie
  VISITOR_INFO1_LIVE嘗試預估使用者在整合 YouTube 影片頁面的頻寬。
  最大存储时长: 180 天类别: HTTP Cookie
  YSC登錄唯一識別碼，以保存使用者曾經觀賞的 YouTube 影片統計資料。
  最大存储时长: 临时类别: HTTP Cookie
  yt.innertube::nextIdRegisters a unique ID to keep statistics of what videos from YouTube the user has seen.
  最大存储时长: 永久类别: HTML 本地存储
  ytidb::LAST_RESULT_ENTRY_KEYStores the user's video player preferences using embedded YouTube video
  最大存储时长: 永久类别: HTML 本地存储
  YtIdbMeta#databasesUsed to track user’s interaction with embedded content.
  最大存储时长: 永久类别: IndexedDB
  yt-remote-cast-availableStores the user's video player preferences using embedded YouTube video
  最大存储时长: 临时类别: HTML 本地存储
  yt-remote-cast-installed儲存使用者使用內嵌 YouTube 影片的影片播放器偏好設定
  最大存储时长: 临时类别: HTML 本地存储
  yt-remote-connected-devices儲存使用者使用內嵌 YouTube 影片的影片播放器偏好設定
  最大存储时长: 永久类别: HTML 本地存储
  yt-remote-device-id儲存使用者使用內嵌 YouTube 影片的影片播放器偏好設定
  最大存储时长: 永久类别: HTML 本地存储
  yt-remote-fast-check-period儲存使用者使用內嵌 YouTube 影片的影片播放器偏好設定
  最大存储时长: 临时类别: HTML 本地存储
  yt-remote-session-app儲存使用者使用內嵌 YouTube 影片的影片播放器偏好設定
  最大存储时长: 临时类别: HTML 本地存储
  yt-remote-session-name儲存使用者使用內嵌 YouTube 影片的影片播放器偏好設定
  最大存储时长: 临时类别: HTML 本地存储
- edmundoptics.com.tw
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  _mkto_trk包含訪客行為及網站互動等資料。這是在電子郵件行銷服務 Marketo.com 的情境中使用，可讓網站透過電子郵件鎖定訪客。
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  gwcc啟用 Google Website Call Conversions - 如果訪客在「聯絡我們」子頁面中點選通話，此項功能就會登錄。本資訊用於統計和行銷目的。
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  m南韓企業 Naver Analytics 使用的追蹤像素，用於追蹤網站參與度
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  NWB_LEGACY由南韓企業 Naver Analytics 用於網頁分析，以便追蹤及回報網站流量
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  wcs_bt由南韓企業 Naver Analytics 用於跨站網頁分析
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Cookie 声明由Cookiebot最后更新于 9/11/24

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TECHSPEC^®組件由愛特蒙特光學設計、指定或製造。進一步瞭解

25.4mm Dia. 4mm Thick NIR I Coated, 1λ Fused Silica Window

Name: 25.4mm Dia. 4mm Thick NIR I Coated, 1λ Fused Silica Window
Brand: TECHSPEC
SKU: 25-289
Price: NT$3,413

TECHSPEC® 1λ UV Fused Silica Windows

Stock #25-289 5-7 Days

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NT$3,413

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NT$3,413

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NT$2,713

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EO Spec Sheet

Specifications
產品概覽
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Specifications

General

Type:

Protective Window

Physical & Mechanical Properties

Bevel:

Protective as needed

Clear Aperture (%):

Clear Aperture CA (mm):

22.86

Diameter (mm):

25.40 +0.00/-0.20

Thickness (mm):

4.00 ±0.38

Edges:

Fine Ground

Knoop Hardness (kg/mm²):

522

Parallelism (arcmin):

Poisson's Ratio:

0.16

Young's Modulus (GPa):

Optical Properties

Abbe Number (v_d):

67.8

Coating:

NIR I (600-1050nm)

Coating Specification:

R_avg ≤0.5% @ 600 - 1050nm

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:

60-40

Transmitted Wavefront, P-V:

1λ

Wavelength Range (nm):

600 - 1050

7 J/cm² @ 1064nm, 10ns

Material Properties

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 235:

Compliant

產品概覽

無鍍膜或提供廣波段抗反射膜
非常適用於對成本敏感的廣波段應用
尺寸範圍：提供5mm 到 100mm尺寸的圓形和方形版本選項。

TECHSPEC^® 1λ 紫外線熔融石英 Fused Silica 窗鏡採用紫外線級合成熔融矽石精密打造。除了提供卓越的穿透特性之外，這些光學窗口片的合成熔融矽石還具備更優的熱力學性質、卓越的純度以及出眾的環境耐候性，適用於需求嚴苛的應用。TECHSPEC^® 1λ 紫外線熔融石英 Fused Silica 窗鏡提供5mm 到 100mm尺寸的圓形和方形版本選項。

Technical Information

UV FS Transmission Curve

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

成像鏡頭選擇器

Frequently Purchased Together

資源

Filter

抗反射 (AR) 鍍膜

抗反射 (AR) 鍍膜應用於光學元件，以提高吞吐量並減少背反射造成的傷害。

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光學鍍膜簡介

您是否正在尋找有關光學鍍膜的更多資訊？在愛特蒙特光學了解更多有關光學系統中使用的鍍膜的常見、定制和優點的資訊。

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Beam Displacement Calculator

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UV vs. IR Grade Fused Silica

UV grade fused silica is ideal for UV and visible applications, but IR grade fused silica has better transmission in the IR due to a lack of OH- impurities.

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Understanding Optical Windows

Determine how to select an optical window based on its material transmission, thermal and mechanical properties, and other specifications at Edmund Optics.

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Optical Windows Review

Optical Windows provide protection between an optical system or sensitive electronics and an outside environment.

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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?

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光學玻璃

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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Surface Accuracy

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BBAR Coating

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了解表面品質規格

光學元件的表面品質取決於其表面的散射，這在雷射光學應用中尤其重要。

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Removing Protective Plastic Coating

A protective plastic coating protects a variety of our flat optics, such as optical windows, optical mirrors, and beamsplitters, from scratches during shipping.

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Anti-Reflection (AR) Coating

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Bevel

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Parallelism

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Seamed Edge

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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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Surface Flatness

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Transmission

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How do I clean my optics?

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Clear Aperture (CA)

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愛特蒙特光學遍佈全球的製造工廠

愛特蒙特光學® (EO) 在全球的五座製造工廠，每年製造數百萬件精密光學元件和子配件。

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愛特蒙特光學的度量技術：將測量作為製造的關鍵要素

進一步瞭解愛特蒙特光學® 使用的度量技術，協助保證所有光學元件及組件的優異品質。

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Surface Quality

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25.4mm Dia. 4mm Thick NIR I Coated, 1λ Fused Silica Window

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Specifications

General

Physical & Mechanical Properties

Optical Properties

Material Properties

Regulatory Compliance

產品概覽

Technical Information

UV FS Transmission Curve

Accessories

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