Optical Germanium Windows with AR Coating at 3 - 8 um

  • Germanium Windows | Edmund Optics

    Germanium is subject to thermal runaway, meaning that the transmission decreases as temperature increases. As such, these germanium windows should be used at temperatures below 100°C. Germanium’s high density (5.33 g/cm 3) should be considered when designing for weight-sensitive systems. The Knoop Hardness of germanium (780) is approximately ...

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  • Germanium Window with AR+DLC coating - optics.org

    Germanium Window with AR+DLC coating 20 Mar 2020 CreatorOptics can customize precision germanium windows with AR (anti-reflection) DLC (diamond like coating) coatings …

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  • Germanium Optical Components - Edmund Optics

    Germanium (Ge) Optical Components can range from Optical Lenses to Prisms or Optical Filters. Edmund Optics’ offers the world’s largest inventory of off-the-shelf Optical Components, including a wide variety of Germanium Optics. Edmund Optics’ Germanium Optics include Optical Lenses, Optical Windows, Optical Filters, or Prisms.

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  • Optical Windows, IR Windows, UV Windows | COE Optics

    COE Optics' Germanium (Ge) Windows could be with coating options: 3 - 5μm for mid-infrared applications, 3 - 12μm for broadband multispectral applications, or 8 - 12μm for thermal imaging applications. ... BK7 as laser substrates, coat AR coatings centered around common lasing wavelengths on both sides. Common coatings are 532nm, 755nm ...

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  • HK780 Germanium windows | DLC AR coated lenses |

    Knight Optical stock a range of Germanium Windows DLC/AR coated for 7-12 µm, we can also offer custom Germanium windows to your specific requirement. Other Germanium components we can also offer are, Germanium lenses, Germanium prisms, and Germanium blanks to your specification for a range of applications.

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  • 75mm Diameter Germanium Window, 3-12μm AR Coating -

    As such, these germanium windows should be used at temperatures below 100°C. Germaniums high density (5.33 g/cm 3) should be considered when designing for weight-sensitive systems. The Knoop Hardness of germanium (780) is approximately twice that of magnesium fluoride, making it ideal for infrared applications requiring rugged optics.

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  • Knight Optical's Germanium Windows for Thermal Imaging

    Coating: AR/DLC (Diamond like coating @ 7-14 micron) Our Germanium optics are checked for quality in our state-of-the-art Metrology laboratory using equipment from Trioptics, Varian and Starret allowing us to work to the highest QA standards and meet the tolerance specifications on these precision components.

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  • Germanium Windows - Thorlabs

    2013-3-14 · Thorlabs' Precision Germanium (Ge) Windows are offered in Ø1/2 and Ø1 sizes. They are available uncoated or with an AR coating on both sides that provides <2% average reflectance from 1.9 to 6 µm (offered in Ø1 size only) or <1% average reflectance from 7 to

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  • Germanium Wedged Windows - Thorlabs

    All of these germanium wedged windows can be ordered uncoated or with a 7 - 12 µm AR coating (designated as -E3). Thorlabs' high-performance -E3 broadband AR coating has an average reflectance of less than 1.0% (per surface) across its specified wavelength range (denoted by the shaded blue area in the Coating graph below).

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  • Common Infrared Optical Materials and Coatings: A Guide

    AR coating options The most common AR coating for Si is BBAR for 3 to 5 μm. Many other specialized wavelength bands are possible for the 1.2- to 7.0-μm range. Si can also be hard carbon or diamondlike carbon coated for 3 to 5 μm. Sodium Chloride (NaCl) • Optical-grade NaCl is water-soluble and transmits from the UV to the far-IR.

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  • China with Ar/Dlc Coating Germanium (GE) Glass Windows

    China with Ar/Dlc Coating Germanium (GE) Glass Windows for Thermal Cameras, Find details about China Optical Windows, Ge Window from with Ar/Dlc Coating Germanium (GE) Glass Windows for Thermal Cameras - Changchun Yutai Optics Co., Ltd.

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  • Germanium windows | Alkor Technologies

    2020-9-11 · Germanium windows catalog, custom shape IR Ge windows, BBAR 3-12µm or 8-12µm AR coatings. Large diameter germanium windows

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  • Optical Windows, Optical Windows direct from Changchun ...

    2-14 um L/2/4/6 Optical Ge(Germanium) windows for laser cutter. 1.00 - 13.00 Piece. 1 Piece ... 1.00 - 13.00 Piece. 1 Piece (Min. Order) AR Coating Germanium(Ge) Optical Windows/Infrared Windows. 1.00 - 13.00 Piece. 1 Piece (Min. Order) Optical IR /MgF2/CaF2 Crystal Window For Spectroscopy And Cooled Thermal Imaging. 1.00 - 13.00 ...

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  • Product Beijing Honour Optics Co., Ltd. All Rights Reserved

    Germanium windows with 8-12 micron AR coating. We have 3 options which are on the shelf and each has the 8-12 micron AR coating on them. GE-W-25-2-AR812 (25.4 mm dia x 2 mm thick) in stock - request a quote GE-W-38-3-AR812 (38.1 mm dia x 3 mm thick) in stock - request a quote GE-W-50-3-AR812 (50.8 mm dia x 3 mm thick) in stock - request a quote ...

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  • China Ge Window Germanium Lens Infrared 8um-12um ...

    Window, Ge Lens, IR Lens manufacturer supplier in China, offering Ge Window Germanium Lens Infrared 8um-12um Wavelength Dlc/Ar Coating Protect Window, Focal Length 150mm 640*512-17um 1.0 8-12um 88% 13.93mm Manual Focus Ar Infrared Imaging Uncooled Detector Thermal Imager Motorized Lens, Focal Length 100mm 640*512-17um 1.0 8-12um 88% 13.93mm Manual Focus Ar …

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  • germanium windows com - aubergedelilemayotte.fr

    Germanium Optical Windows have good transmittance from 2 to 16 µm uncoated, and very low peak absorption, making the material an excellent candidate for use in C02 laser cavities. ... Windows Germanium is the preferred lens and window material for high performance infrared imaging systems in the 8-12 um wavelength band. Its high refractive ...

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  • Siolica (Si) windows - High Precision Optical Components ...

    2020-3-7 · It is the most economical element for optics compared to Ge and other infrared materials like ZnSe, ZnS, etc. From fig. 1, we can see that the transmittance is generally the same between 3-8 um and arrives at the bottom at 9 um. With AR coatings, the transmittance can reach 95% and higher from Fig 2.

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  • Silicon Windows - Thorlabs

    2019-5-7 · Thorlabs' Precision Monocrystalline Silicon (Si) Windows are offered in Ø1/2 and Ø1 sizes. They are available uncoated or with an AR coating on both sides that provides <2% average reflectance from 3 - 5 µm (see the Graphs tab for more details). Silicon o

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  • High Quality Silicon Optics With High Thermal Conductivity ...

    Silicon windows and wedges uncoated or with an antireflection coating at standard 1.5-6μm, 2-4μm, 3-5μm, 8-12μm. Silicon optical lenses for collimation or focusing applications that utilize monochromatic light. These lenses are available in a range of sizes or focal lengths for a wide variety of application needs.

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  • Anti-reflective (AR) Coatings :: Andover Corporation

    ANTI-REFLECTION COATINGS. What is Anti-reflective Coating? An antireflective or anti-reflection (AR) coating is a type of optical coating applied to the surface of optical filters and other optical elements to reduce reflection.In typical imaging systems, this improves the efficiency since less light is lost due to reflection. In complex systems such as telescopes and microscopes the …

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  • Ge Mono Wafer Ge Window Germanium Windows Ge

    It is also used extensively as a substrate for production of optical filters. Germanium covers the whole of the 8-14 micron thermal band and is used in lens systems for thermal imaging. It can be AR coated with diamond producing an extremely tough front optic.

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  • TYDEX Optics for Sensors and Detectors

    Silicon meniscus lenses for 3-5 um IR detectors (pyrometers) 2. Germanium windows for 8-12 um IR imagers 3. Germanium meniscus lenses for 8-10 um IR imagers 4. Protective domes for pyranometers 5. Filters for pyrgeometers 6. Sapphire windows for under-water sensors 7. Silicon bullet-lenses for 3-5 um IR immersion LED's and photodiodes 8.

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  • Germanium Windows and Lenses for Thermography

    2011-5-12 · Germanium window, ø 25.4 mm x 3.0 mm. Ge optical grade Type: circular plane window Diameter: 25.4 mm (+0.0/-0.2 mm) Thickness: 3 mm (+/-0.1 mm) Surface quality: 40/20 scr/dig Parallelism: 3 arc minutes Clear aperture: 90% of diameter. buy online. New: meniscus lenses made of AMTIR-C1 and Germanium substrates with AR/AR coating at 3-5 and 8-12 ...

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  • China Precision Optical Window Bk7, Facotry Products ...

    Windows are optical glass with polished faces that are relatively parallel. They are used to protect laser output. Always windows are AR coated to eliminate reflection, so AR coated windows offer improved transmission when used in industrial displays or computer monitors. Their high transmission makes them ideal for most industrial and laser protecting applications.

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  • Anti-Reflection (AR) Coatings | Edmund Optics

    AR coatings are designed so that the relative phase shift between the beam reflected at the upper and lower boundaries of a thin film is 180°. Destructive interference between the two reflected beams occurs, which cancels out both beams before they exit the surface (Figure 2).The optical thickness of the optical coating must be an odd integer multiple of λ/4, where λ is the design ...

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  • Optical coating Manufacturers & Suppliers, China optical ...

    optical coating manufacturer/supplier, China optical coating manufacturer & factory list, find qualified Chinese optical coating manufacturers, suppliers, factories, exporters & wholesalers quickly on Made-in-China.com.

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  • Custom IR antireflective coatings | Infrared ARcoated ...

    High efficiency multilayer broadband coatings using multi-layers are used in the 3-5µm ,5-8µm or the 8-12µm wavebands, which are usually referred to as the atmospheric windows. It can have a peak transmittance of over 95% with a transmittance of over 90% at 2 to 5µm.

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  • (PDF) Ultra-broad band antireflection coating at mid wave ...

    In this work, we describe an efficient design and fabrication process of anti-reflection (AR) coating over 1400 nm spectral interval from 3.4 μm to 4.8 μm at mid wave infrared (MWIR) on silicon ...

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  • OptoCity - IR Material

    2012-5-26 · AR coating: BBAR for 0.8 to 2.5µm, 3 to 5µm, 1 to 5µm, 8 to 12µm, and the 3 to 12µm spectral regions. Other specialized bands are possible from 0.4 to 12 µm. Product Notes: Zinc Sulphide oxidizes significantly at 300°C, exhibits plastic deformation at about 500°C and dissociates about 700°C. For safety, Zinc Sulphide windows should not ...

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  • Broadband infrared antireflection coating - BBAR - Izovac

    Download Datasheet. Izovac company has fulfilled and implemented in its production a technology of broadband antireflection coatings on IR optics. This coating can be adapted to the ranges 3-5 and 7-12 microns and, accordingly, to silicon and germanium optics.. The use of high-quality sputtering materials allows us to achieve not only high-quality optical characteristics, but also to …

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  • Sapphire Windows - Thorlabs

    2020-10-1 · Our Sapphire Precision Windows are available in 1/2 and 1 diameters. The uncoated versions are designed for applications in the 150 nm - 4.5 μm range. AR-coated windows feature anti-reflective coatings designed for 1.65 µm - 3.0 µm (-D) or 2.0 µm - 5.0 µm (-E1) on both s

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  • Custom IR antireflective coatings | Infrared ARcoated ...

    High efficiency multilayer broadband coatings using multi-layers are used in the 3-5µm ,5-8µm or the 8-12µm wavebands, which are usually referred to as the atmospheric windows. It can have a peak transmittance of over 95% with a transmittance of over 90% at 2 to 5µm.

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  • China Customized Germanium Optical Lenses

    Germanium Optical Lenses. Description. Ge Windows Germanium (Ge) is the preferred lens and window material for high performance infrared imaging systems in the 8–12 um wavelength band. Its high refractive index makes Ge ideal for low power imaging systems because of …

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  • OptoCity - IR Material

    2012-5-26 · AR coating: BBAR for 0.8 to 2.5µm, 3 to 5µm, 1 to 5µm, 8 to 12µm, and the 3 to 12µm spectral regions. Other specialized bands are possible from 0.4 to 12 µm. Product Notes: Zinc Sulphide oxidizes significantly at 300°C, exhibits plastic deformation at about 500°C and dissociates about 700°C. For safety, Zinc Sulphide windows should not ...

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  • Thorium-free coating for germanium IR window - Texas ...

    1996-7-16 · Material %T 8 um %T 12 um _____ MgF 2 15 0 CaF 2 85 0 ... MgF 2 is used as a primary external coating material for optical windows as well as other optical devices operating in the 8 to 12 μm wavelength range. ... 3) A germanium nucleation layer 3 422 nm thick was deposited on the cleaned surface of the window. 4) A first ZnS layer 9 244 nm ...

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  • Sapphire Optical Windows - Newport

    Sapphire windows are highly tolerant of extreme temperature and pressure differences. These windows are commonly used as viewports enable viewing inside of vacuum chambers, or chambers containing high temperature plasma.

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  • since 1996 seoul precision optics - Microsoft

    2020-4-13 · optical coating technical support since 1996 www.optical-coating.com 42, Gokhyeon-ro 662beon-gil, ... Pattern windows tEcHnical inFormation 1. optical coating 2. Dlc coating 3. thin Film metallization dEvElopmEnt inFormation ... Germanium 3.5~5.0 ≥95 iRAR5.5 silicon 5.5~12.0 ≥72 iRAR8.0 silicon 8.0-14.0 ≥78 Germanium

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  • Broadband infrared antireflection coating - BBAR - Izovac

    Download Datasheet. Izovac company has fulfilled and implemented in its production a technology of broadband antireflection coatings on IR optics. This coating can be adapted to the ranges 3-5 and 7-12 microns and, accordingly, to silicon and germanium optics.. The use of high-quality sputtering materials allows us to achieve not only high-quality optical characteristics, but also to …

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  • TP 1985-160 erosion of a-C-H coted Ge - ResearchGate

    The transmittance in the 8—12 um range is greater than 92 % for a germanium window with an a—C:H X 4 coating for 10.6 um on each side. The optical constants (refractive index (n) and ...

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  • CVD single crystal ZnSe ZnS glass window for CO2 laser ...

    THE EXCELLENT R&D DESIGN TEAM. Honour Optics Co., Ltd, established in 2016, and located in Beijing, China. Our company mainly engages in development, production and sales of high-precision crystalline material, include UV and IR optical crystals, laser crystals, nonlinear crystals, laser components and other optical products, which are widely used in semiconductors, electron, …

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  • UV Fused Silica Wedged Windows - Thorlabs

    2020-6-4 · Thorlabs offers a line of wedged UV fused silica windows that eliminate fringe patterns and can be used to help avoid cavity feedback. Windows are useful for protecting a laser output from environmental effects and for beam sampling applications. We also supply par

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  • Germanium Lenses - Pleiger Laseroptik

    Address Pleiger Laseroptik GmbH & Co. KG Im Hammertal 51 58456 Witten Germany. Phone +49 2324 398-401. Fax +49 2324 398-402. Email [email protected]

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  • Windows - INNOWIT

    Windows are optical glass with polished faces that are relatively parallel. They are used to protect laser output. Always windows are AR coated to eliminate reflection, so AR coated windows offer improved transmission when used in industrial displays or computer monitors.

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  • China Znse Windows, Znse Windows Manufacturers,

    China Znse Windows manufacturers - Select 2020 high quality Znse Windows products in best price from certified Chinese Lenses manufacturers, Optical Lens suppliers, wholesalers and factory on Made-in-China.com

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  • Sapphire Optical Windows - Newport

    Sapphire windows are highly tolerant of extreme temperature and pressure differences. These windows are commonly used as viewports enable viewing inside of vacuum chambers, or chambers containing high temperature plasma.

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  • Silicon - optical components,laser accesary

    Changchun Yutai Optics Co Ltd. Specialize in the design and volume manufacturing of high performance optical components such as lens, prisms, windows, filters, mirrors and more for use in optical instruments and laser systems, as well as for military, telecommunications, medical, environment monitoring industry. We can not only provide kinds of optical components, but also …

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  • IR Flat Glass Optics Available from Sydor

    It is recommended that an IR coating be used in conjunction. Common Germanium uses: IR lenses, thermal imaging, IR spectroscopy, electro optic sensors, thermal imaging. Silicon is also a crystalline material used most often in the MWIR band, because of absorption in the 8 um to 14 um LWIR band. Dispersion is relatively low and this material can ...

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  • Infrared durable protective/antireflection coatings with ...

    YF3 has been then associated with ZnS and Ge layers so as to obtain antireflection coatings with high performance on Ge and Si substrates in 3-5μm and/or 8-12μm range. In addition, a novel multi-layer infrared AR coating utilizing DLC film as one of the low index films has also been developed for Si and Ge substrates.

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  • MWIR long range cooled 3-5Um micron zoom thermal FLIR ...

    Highly precise optical mechanism provide smooth, clean continuous zoom lenses coupled with military grade MWIR 3-5 Um detectors engines. The defender series of cameras come in a wide selection of long range lens choices. These cameras are easy to integrate and very simple to use.

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  • CONTENTS

    2020-1-17 · cal optical glass to exotic materials such as Calcium Fluoride, Zinc Sulfide and Zinc Selenide. The hard coatings not only reduce reflections to <0.1% at an-gles up to 50°, but also help protect optical surfaces, as the coating is more durable than the uncoated substrate. Anti-Reflective AR Coatings Bandpass Filters Questions?

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