Start with the operating requirement
Use wavelength, temperature, thermal cycling, chemicals, dimensional stability and mechanical exposure to narrow the material family.
Material Category
Infrared & Specialty Optical Materials
Infrared & Specialty Optical Materials supplied and processed by ANTGLASS for mwir and lwir thermal imaging, co2 laser windows, uv and spectroscopy optics, h…
How to Choose
Choose the Material from Performance, Grade and Finished-Part Requirements
The category owns broad material-family and comparison terms. Named grades and distinct material families keep their own detail pages.
Compare named grades separately
Keep manufacturer, grade, test condition and source attached to each value instead of mixing family-level and grade-level data.
Confirm the starting form
Check sheet, plate, wafer, block, tube or rod availability together with thickness and usable blank size before finalizing the drawing.
Connect material to the finished part
The final selection must also support cutting, machining, polishing, cleaning, coating, inspection and packaging requirements.
Supply Forms
Confirm the Starting Form and Thickness
Available form and usable size must be confirmed for the named material and order.
Windows, domes, discs, tubes and substratesCut blanksWindows and platesDiscs, rings or wafersDrawing-based finished componentsWindows, lenses, ATR prisms and filter substratesWindows, lenses, output couplers, beamsplitters and blanksWindows, lenses, prisms and blanksBlanks, molded lenses and polished IR componentsPolished blanks, diameter 10-95 mm, thickness 5-30 mm
Application Direction
Match the Material to the Service Environment
The application narrows optical, thermal, chemical, surface and process requirements.
MWIR and LWIR thermal imagingCO2 laser windowsUV and spectroscopy opticsHarsh-environment protective windowsGas sensing and analytical instrumentsNight vision and infrared detection
Material Comparison
Compare the Named Materials and Material Families
Exact values remain attached to the named grade, manufacturer, unit, test condition and source. Family pages explain selection direction without mixing grade data.
| Material | Material type | Optical properties | Thermal properties | Available forms |
|---|---|---|---|---|
| Sapphire Optical Material | Sapphire Al2O3: Single-crystal aluminum oxide | About 0.15-5.5 um, grade and thickness dependent | Anisotropic, about 5-7 x 10^-6/K | Windows, domes, discs, tubes and substrates |
| Germanium Optical Material | Germanium Ge: Infrared semiconductor crystal | 1.8-23 um | 5.7 x 10^-6/C at 20 C | Windows, lenses, ATR prisms and filter substrates |
| Zinc Selenide (ZnSe) Optical Material | Zinc Selenide ZnSe: CVD infrared optical material | Visible alignment through approximately 18 um, grade dependent | 7.57 x 10^-6/C at 20 C | Windows, lenses, output couplers, beamsplitters and blanks |
| Calcium Fluoride (CaF2) Optical Material | Calcium Fluoride CaF2: Cubic fluoride crystal | 0.13-10 um | About 18.9 x 10^-6/K | Windows, lenses, prisms and blanks |
| Chalcogenide Infrared Glass | Chalcogenide Glass: Amorphous sulfur/selenium/tellurium-based IR glass; IRG 22: Chalcogenide infrared glass; IRG 24: Chalcogenide infrared glass; IRG 25: Chalcogenide infrared glass | Typical families cover SWIR, MWIR and LWIR; grade-specific | Grade-specific, often higher than oxide glass | Blanks, molded lenses and polished IR components, Polished blanks, diameter 10-95 mm, thickness 5-30 mm, Polished blanks and custom IR components |
Reference boundary: Published values remain attached to the named grade, source and test condition. ANTGLASS processing is specified separately by the finished-part drawing.
All Materials
Open Every Material Included in This Category
Use the material page for grade identity, properties, supply forms, applications, related products and processing requirements.
Sapphire Optical Material
Sapphire Optical Material supplied and processed by ANTGLASS for harsh-environment windows, uv/nir optics, sensors, watch/industrial covers. Compare source-l… View details →
Germanium Optical Material
Germanium Optical Material supplied and processed by ANTGLASS for lwir thermal imaging, night vision, spectroscopy, detector windows. Compare source-linked p… View details →
Zinc Selenide (ZnSe) Optical Material
Zinc Selenide (ZnSe) Optical Material supplied and processed by ANTGLASS for co2 lasers, mwir/lwir imaging, broadband ir windows. Compare source-linked prope… View details →
Calcium Fluoride (CaF2) Optical Material
Calcium Fluoride (CaF2) Optical Material supplied and processed by ANTGLASS for uv excimer, spectroscopy, thermal imaging, broadband windows. Compare source-… View details →
Chalcogenide Infrared Glass
Chalcogenide Infrared Glass supplied and processed by ANTGLASS for thermal imaging, gas sensing, compact molded ir lens systems, night vision. Compare source… View details →
Recommended Products
Products Commonly Manufactured from This Material Family
The relationship provides a selection route. Final grade, geometry, surface and inspection requirements remain project-specific.
Infrared Optical Windows
ANTGLASS manufactures infrared optical windows for thermal imaging, gas sensing, spectroscopy, night vision, laser equipment and protected IR detector assemblies. View details →
Laser Windows
ANTGLASS manufactures custom laser windows for laser sources, beam delivery, protective enclosures, cutting systems, analytical instruments and optical assemblies. View details →
Precision Optical Glass Windows
Precision optical and protective glass windows for sensors, instruments, imaging systems and optical assemblies—not architectural building windows. View details →
Custom-Shaped Precision Glass Parts
Drawing-based irregular glass parts with holes, slots, notches, contours, chamfers and customer-specific dimensions. View details →
Related Processing
Continue to Material-Specific Manufacturing Routes
These keyword-mapped pages explain cutting, drilling, grinding, polishing and feature-feasibility considerations for related material and component routes.
Related Processing
IR Fused Silica Sapphire Polishing
Open resource → Related ProcessingIR Fused Silica Sapphire Glass Cutting
Open resource → Related ProcessingSensor Window Glass Sapphire Polishing
Open resource → Related ProcessingSensor Window Glass Sapphire Glass Cutting
Open resource → Related ProcessingSapphire Glass Fused Silica Cutting
Open resource →Applications & Solutions
Connect the Category to the Operating Requirement
Use application pages for system context and Solution pages for project-level manufacturing, material and supply decisions.
Related Applications
Application Page
IR Heating Window glass processing review for Sapphire Glass
Open resource → Application PageUV Curing Equipment Window glass processing review for Sapphire Glass
Open resource → Application PageLaser Optics Window glass processing review for Sapphire Glass
Open resource → Application PageOptical Sensor Window glass processing review for Sapphire Glass
Open resource → Application PageOptical Instrument Window glass processing for Sapphire Glass
Open resource →Related Solutions
Optical & Sensor Interface Glass Solutions
Engineering support for optical interfaces, sensor protection, machine vision, CMOS, CCD and instrument glass components. View details →
Glass Material Selection & Substitution
Compare glass families and supply alternatives using optical, thermal, mechanical, dimensional and machining requirements. View details →
Custom Precision Glass Fabrication
Drawing-driven precision glass fabrication covering cutting, CNC machining, holes, slots, edge finishing, cleaning and inspection. View details →
Technical Guides
Continue to Material Selection and Design Guidance
Use the linked technical pages to compare materials, prepare drawings and define tolerances, inspection and RFQ information.
Frequently Asked Questions
Selection and RFQ Questions for This Category
Use these answers to prepare the material, component, drawing and inspection requirements before quotation.
What is infrared optical materials?
Infrared and specialty optical materials extend transmission, hardness or environmental performance beyond ordinary optical glass. ANTGLASS supplies and processes sapphire, germanium, ZnSe, CaF2 and chalcogenide materials into windows and custom optical components.
Which grades are included in Infrared & Specialty Optical Materials?
The category includes Sapphire Optical Material, Germanium Optical Material, Zinc Selenide (ZnSe) Optical Material, Calcium Fluoride (CaF2) Optical Material, Chalcogenide Infrared Glass. Each grade has a separate page so that values and sources are not mixed.
Which properties matter when selecting Infrared & Specialty Optical Materials?
Review wavelength or transmission, refractive properties where relevant, CTE, temperature, chemical durability, hardness, thickness, starting form, geometry and finished-surface requirements.
What products can ANTGLASS manufacture from Infrared & Specialty Optical Materials?
ANTGLASS supplies and processes these materials into Infrared Optical Windows, Laser Windows, Precision Optical Glass Windows, Custom-Shaped Precision Glass Parts and other drawing-based components.
What should a Infrared & Specialty Optical Materials RFQ include?
Provide the preferred grade or target properties, drawing, dimensions, functional surfaces, environment, quantity, inspection, cleaning and packaging requirements.
Drawing / Material Review
Request Infrared & Specialty Optical Materials for Your Project
Send the drawing, target material or performance requirements, dimensions, quantity and inspection criteria.