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λ/4 N-BK7 Precision Windows

TECHSPEC^® components are designed, specified, or manufactured by Edmund Optics. Learn More

Top Seller

Circular and Rectangular Sizes from 2mm to 200mm
8 Broadband Anti-Reflection Coating Options Available
World's Largest Selection of Standard N-BK7 Windows
Also Available with Ultra-Thin N-BK7 Windows

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Sapphire Windows

TECHSPEC^® components are designed, specified, or manufactured by Edmund Optics. Learn More

Top Seller

Features Extreme Surface Hardness Chemical Resistance
Transmits Wavelengths Ranging From UV to Mid-Infrared
Thinner and Stronger than Standard Glass Windows
Anti-Reflection Coating Options Covering 350 - 5000nm Available

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λ/10 UV Fused Silica Windows

TECHSPEC^® components are designed, specified, or manufactured by Edmund Optics. Learn More

UV, Visible, and NIR Anti-Reflection Coated Versions Available
λ/10 Transmitted Wavefront Distortion
Circular and Square Sizes from 2mm to 150mm
1λ or λ/4 UV Fused Silica Windows Also Available

Clearance

ISP Optics Zinc Selenide (ZnSe) Windows

Low Dispersion and Absorption from 0.6 – 18µm
High Resistance to Thermal Shock
Ideal for Thermal Imaging, FLIR, and Medical Systems

1λ UV Fused Silica Windows

TECHSPEC^® components are designed, specified, or manufactured by Edmund Optics. Learn More

Available Uncoated or with Broadband Anti-Reflection Coatings
Ideal for Cost Sensitive Broadband Applications
Circular and Square Sizes from 5mm to 100mm
λ/4 or λ/10 UV Fused Silica Windows Also Available

Zinc Selenide (ZnSe) Windows

TECHSPEC^® components are designed, specified, or manufactured by Edmund Optics. Learn More

Low Dispersion
Available Uncoated or AR Coated
Ideal for Thermal Imaging, FLIR, and Medical Systems

B270 Windows

TECHSPEC^® components are designed, specified, or manufactured by Edmund Optics. Learn More

Large Selection of Sizes
Available Uncoated, MgF2, or VIS-NIR Anti-Reflection (AR) Coated
Custom Sizes Available for Volume OEM Requirements

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λ/10 Ultra-Low Reflectivity Windows

TECHSPEC^® components are designed, specified, or manufactured by Edmund Optics. Learn More

<0.1% Reflectivity Laser Line Coatings
Nd:YAG and Yb:YAG Wavelength Options
Reduce Typical Laser System Losses by 3% (Compared to a 0.25% Specified System with 10 Transmissive Optics)
Increased Transmission Reduces Back Reflections, Ghost Images, and Stray Light

λ/4 N-BK7 Laser Line Windows

TECHSPEC^® components are designed, specified, or manufactured by Edmund Optics. Learn More

<0.25% Reflection at Design Wavelength
Coatings Available for HeNe, Diode, and Nd:YAG Laser Sources
Precision N-BK7 Substrate
Also Available Uncoated, MgF₂ Coated and VIS 0° Coated

Calcium Fluoride (CaF<sub>2</sub>) Windows

Calcium Fluoride (CaF₂) Windows

TECHSPEC^® components are designed, specified, or manufactured by Edmund Optics. Learn More

Low Absorption, High Transmission UV Grade Calcium Fluoride
Low Index of Refraction
AR Coatings Spanning 250 - 5000nm Available
Calcium Fluoride (CaF2) Wedged Windows also Available

Silicon (Si) Windows

TECHSPEC^® components are designed, specified, or manufactured by Edmund Optics. Learn More

Transmission from 1.2 - 7μm
Available Uncoated or AR Coated for 1.65 - 5μm
Ideal for Weight Sensitive Applications

λ/10 Laser Line Coated Windows

TECHSPEC^® components are designed, specified, or manufactured by Edmund Optics. Learn More

10-5 Surface Quality
Damage Thresholds at Design Wavelengths
Diameters from 12.5 to 76.2mm Available
Uncoated Substrates Available

Ultra-Thin N-BK7 Windows

TECHSPEC^® components are designed, specified, or manufactured by Edmund Optics. Learn More

Ultra-Thin 0.20mm Thickness
Precision N-BK7 Substrate
Extremely Lightweight

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λ/4 UV Fused Silica Windows

TECHSPEC^® components are designed, specified, or manufactured by Edmund Optics. Learn More

Available Uncoated or BBAR Coated for UV, Visible, and NIR
Ideal for Imaging Applications
Circular and Rectangular Sizes from 5 to 200mm
1λ or λ/10 UV Fused Silica Windows Also Available

Holographic Diffusers

Transmission Efficiency >85%
Elliptical and Circular Diffusing Outputs
Ideal for Visible and Near-Infrared Applications
UV Holographic Diffusers Also Available

SCHOTT AS 87 ECO Ultra-Thin Windows

High Level of Flexibility
Ultra-Thin Thickness for Low Profile Designs
Excellent Transmission from 250nm to >3µm

Ultrafast Thin Windows

TECHSPEC^® components are designed, specified, or manufactured by Edmund Optics. Learn More

1mm Thickness for Limited GDD
Low Loss Broadband IBS Anti-Reflection Coating
Designs for Wavelengths from 370nm to 2200nm
Coating GDD of ±30fs²
UV or IR Grade Fused Silica Substrates

Ground Glass Diffusers

Available in Sizes Ranging from 5mm Diameter to 250mm Square
Low Scatter Loss
Evenly Ground Surface for Even Diffusion
Fused Silica Substrates Available

Ultra-Thin Fused Silica Windows

TECHSPEC^® components are designed, specified, or manufactured by Edmund Optics. Learn More

Ultra-Thin 0.20mm Thickness
UV Fused Silica Substrates
Extremely Lightweight

Clearance

ISP Optics Fused Silica Windows

Excellent Thermal Stability
Low Auto-Fluorescence
IR Grade Fused Silica

Broadband Hybrid Diffusers

Surface Treated Semi-Opaque White Glass
Two Mechanisms of Scatter
Excellent Scattering into the NIR

BOROFLOAT® Borosilicate Windows

TECHSPEC^® components are designed, specified, or manufactured by Edmund Optics. Learn More

Low Coefficient of Thermal Expansion
Visible to Near Infrared Transmission
High Resistance to Thermal Shock

Beam Shaping Diffusers

High Efficiency, Angle Bending, Batwing, and Elliptical Configurations Available
Transmission Efficiency >88%
Low-Cost, High-Performance Diffusers

Light Diffusing Film

Diffusion of UV to NIR Illumination
Flexible Polymer Substrate
Easily Cut to Size
Glass Diffusers Also Available

Clearance

ISP Optics Silicon (Si) Windows

Transmission from 1.2 - 7μm
Available Uncoated or HDAR Coated for 3 - 5μm
Ideal for Weight Sensitive Applications

Gorilla® Glass Windows

TECHSPEC^® components are designed, specified, or manufactured by Edmund Optics. Learn More

Chemically Strengthened Drawn Glass
Highly Resistance to Surface Scratches
Ideal for Electronic Displays

High Efficiency Anti-Reflection (HEAR) Coated Windows

High Transmission
Eliminate Back Reflections and Reduce Glare
Available in a Wide Range of Sizes

Clear Optical Cast Plastic Windows

Lightweight Alternative to Glass Windows
Excellent Thermal and Chemical Resistance
Higher Transmission than Similar Transparent Plastics

Clearance

ISP Optics Barium Fluoride (BaF<sub>2</sub>) Windows

ISP Optics Barium Fluoride (BaF₂) Windows

Excellent Transmission from 0.2 - 12μm
Resistant to High-Energy Radiation
High Transmission without AR Coatings

Polycarbonate Plastic Windows

High Visible Light Transmission
Excellent Thermal Stability
Durable and Lightweight
Acrylic (PMMA) Plastic Windows Also Available

Fused Silica Wedged Windows

TECHSPEC^® components are designed, specified, or manufactured by Edmund Optics. Learn More

UV Fused Silica Substrates with a 30 Arcminute Wedge
λ/10 Surface Flatness and 20-10 Surface Quality
Prevent Laser Instability When Used in Laser Cavities
N-BK7 Wedged Windows and Fused Silica Flat Windows Also Available

Spherical Aberration Compensation Plates

TECHSPEC^® components are designed, specified, or manufactured by Edmund Optics. Learn More

Precision N-BK7 Substrate
Optimized for Use in Collimated Light with Small Fields of View
Transmitted Wave Front Accurate to λ/16

Clearance

ISP Optics Calcium Fluoride (CaF<sub>2</sub>) Windows

ISP Optics Calcium Fluoride (CaF₂) Windows

Greater than 90% Transmission from 350nm-7μm
Low Index of Refraction
Low Solubility and Chemically Inert

Clearance

ISP Optics Magnesium Fluoride (MgF<sub>2</sub>) Windows

ISP Optics Magnesium Fluoride (MgF₂) Windows

Excellent Transmission from 0.12 to 7μm
Rugged and Durable
Resistant to Chemical Etching

ISP Optics Barium Fluoride (BaF<sub>2</sub>) Wedged Windows

ISP Optics Barium Fluoride (BaF₂) Wedged Windows

30 Arcmin Wedge
Excellent Transmission from 200nm - 12μm
Resistant to High-Energy Radiation
Precision Flat Barium Fluoride (BaF₂) Windows Also Available

Suprasil^® Windows

High Transmission from 200 to 3500nm
<1 ppm OH Content for Minimal Absorption Losses
10-5 Surface Quality and up to λ/10 TWD

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Uncoated Laser Window Substrates

TECHSPEC^® components are designed, specified, or manufactured by Edmund Optics. Learn More

Up to 10-5 Surface Quality and λ/10 Surface Flatness Available
Fused Silica or N-BK7 Material
Standard Imperial Sizes for Drop-in Replacement Solutions
Laser Line Coated Versions Available
Mirror Substrates Also Available

Hydrophobic Windows

Oil and Water Repellent Coating
Ideal for Industrial and Harsh Environments
AR Coated for <0.5% Reflection in the Visible Spectrum

UV Fused Silica Ground Glass Diffusers

Even, Diffuse Surface
Ideal for Applications Utilizing UV Wavelengths
Low Scatter Loss
Float Glass Substrates Also Available

Clearance

ISP Optics Sapphire Windows

High Corrosion Resistance and Thermal Stability
Higher Durability than Glass Windows
Transmission from 0.33 – 5.5µm

Chemically Strengthened SCHOTT AS 87 eco Ultra-Thin Windows

Enhanced Impact, Temperature, and Scratch Resistance
High Transmission in the Visible and NIR Spectra
Ideal as Cover Glass for Displays and Sensors
SCHOTT AS 87 eco Ultra-Thin Windows Also Available

IR (Infrared) Diffusers

Evenly Ground First Surface for Even Diffusion
Low Index of Refraction Maximizes Throughput
Broad Transmission Range

Acrylic (PMMA) Plastic Windows

Highly Scratch-Resistant
High Visible Light Transmission
Cost-Effective Alternative to Glass
Polycarbonate Plastic Windows Also Available

N-BK7 Wedged Windows

TECHSPEC^® components are designed, specified, or manufactured by Edmund Optics. Learn More

N-BK7 Substrates with a 30 Arcminute Wedge
λ/10 Surface Flatness and 20-10 Surface Quality
Ideal for Eliminating Etalon Effects
Fused Silica Wedged Windows and N-BK7 Flat Windows Also Available

Clearance

ISP Optics Diamond-Like Carbon (DLC) Coated Silicon Windows

Meets Severe Abrasion Requirements of MIL-F-48616 and MIL-C-48497C
High Transmission from 3 – 5µm
Ideal for Harsh Environments
Diamond-Like Carbon (DLC) Coated Germanium Windows Also Available

Clearance

ISP Optics Thallium Bromoiodide (KRS-5) Windows

Broad Transmission from 700nm - 40μm
Non-Hydroscopic
Ideal for FTIR Spectroscopy with Aqueous Samples

Laser Debris Shields

Protective Shield for Optical Systems
Sizes from 50mm to 134mm
Uncoated and Laser Line Coated Options Available

Brewster Windows

TECHSPEC^® components are designed, specified, or manufactured by Edmund Optics. Learn More

Reduce Loss of P-Polarized Light
Circular Profile When Oriented at 55.57°
Great for Use in Laser Cavities

Zinc Sulfide Multispectral Windows

TECHSPEC^® components are designed, specified, or manufactured by Edmund Optics. Learn More

Multispectral Grade Zinc Sulfide Substrate
Low Absorption and Low Scatter from 0.4 - 12μm
Available Uncoated or 3 - 12μm Broadband AR Coated Option

Commercial Quality Sandblasted Glass

Large Sizes Available
120-Grit Sandblast
Economically Priced

Precision Dual Surface Optical Flats

TECHSPEC^® components are designed, specified, or manufactured by Edmund Optics. Learn More

Top Seller

λ/10 and λ/20 Surface Flatness Options
Each λ/20 Flat 76.2mm and Larger Includes a Certificate of Calibration
Extended Lifetime in Contact Measurement Applications
Single Surface Optical Flats Also Available

$Holographic Diffraction Grating Film$ Holographic Diffraction Grating Film

Top Seller

Ideal for Spectroscopy
Two Groove Spacing Options
6" x 12" Sheets and 200 Foot Rolls Available

Thin Nd:YAG Laser Line Beam Samplers

TECHSPEC^® components are designed, specified, or manufactured by Edmund Optics. Learn More

Thin 1mm Design for Space and Weight Constrained Applications
Uncoated First Surface Provides Fresnel Reflection
AR Coated Second Surface Provides High Transmission
High Laser Damage Threshold to Prevent Laser Ablation

Clearance

ISP Optics Potassium Bromide (KBr) Windows

Excellent Transmission from 0.25 – 26μm
Good Resistance to Mechanical Shock
Ideal for FTIR Spectroscopy

Clearance

ISP Optics Quartz Windows

High Transmission from 190 - 3500nm
High Chemical Resistance
Low Coefficient of Thermal Expansion

Clearance

ISP Optics Lithium Fluoride (LiF) Windows

Excellent Vacuum UV (VUV) Transmission
High Transmission from 150nm - 6μm
Low Index of Refraction

High Durability Anti-Reflection (AR) Coated Sapphire Windows

Achieves Severe Abrasion Requirements of MIL-C-675C
Low Reflection Coatings for 400 - 1100nm or 2000 - 5000nm
Ideal for Harsh Environments Requiring Thin Optics
Uncoated Sapphire Windows are Also Available

Sapphire Windows with Through Holes

25.4mm Diameter Sapphire Substrates
3.2 - 19.1mm Through Hole Diameters
High Transmission From 0.33 - 5.5μm

Clearance

ISP Optics Zinc Selenide (ZnSe) Wedged Windows

30 Arcmin and 3° Wedge Versions Available
Low Dispersion
Eliminate Etalon Effect and Cavity Feedback
Precision Flat Zinc Selenide Windows Also Available

ISP Optics Calcium Fluoride (CaF<sub>2</sub>) Wedged Windows

ISP Optics Calcium Fluoride (CaF₂) Wedged Windows

30 Arcmin Wedge
Low Absorption, High Transmission
Ideal for Harsh Environments
Precision Flat Calcium Fluoride Windows Also Available

Clearance

ISP Optics AMTIR-1 Windows

Transmission from 750nm - 14μm
Excellent Chemical Resistance to Acids
Low Index of Refraction

Clearance

Colored Glass Diffusers

Colored Glass Filter Substrates
120-Grit Sandblasted Surface
Red, Blue, and Green Options

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Nd:YAG Laser Line Beam Samplers

TECHSPEC^® components are designed, specified, or manufactured by Edmund Optics. Learn More

Uncoated First Surface Provides Fresnel Reflection
High Laser Damage Threshold Coating on One Surface
10-5 Surface Quality

White Diffusing Glass

Top Seller

Semi-Opaque White Glass
Highly Diffusive to Create Even Illumination
Diffusive on Both Surfaces

Barium Fluoride (BaF<sub>2</sub>) Windows

Barium Fluoride (BaF₂) Windows

TECHSPEC^® components are designed, specified, or manufactured by Edmund Optics. Learn More

Excellent Transmission from 200nm - 12μm
Resistant to High-Energy Radiation
Provide High Transmission without AR Coatings

Magnesium Fluoride (MgF<sub>2</sub>) Windows

Magnesium Fluoride (MgF₂) Windows

TECHSPEC^® components are designed, specified, or manufactured by Edmund Optics. Learn More

Excellent Transmission from 120nm to 7μm
Rugged and Durable
Resistant to Chemical Etching

Clearance

ISP Optics Zinc Sulfide (ZnS) Windows

Low Absorption and Low Scatter from 0.4 - 12μm
Higher Durability than Zinc Selenide
Ideal for Use with Infrared Sensors

SCHOTT D263® T eco Windows

Thin 0.4mm SCHOTT D263® T eco Substrates
Excellent Glass Alternative to Plastic Optics
Ideal for Weight and Space Sensitive Applications

SCHOTT Xensation® Chemically Strengthened Windows

Highly Resistant to Breakage and Surface Scratches
Microfloat Manufacturing Process
Ideal for Capacitive Touch Technologies
TECHSPEC® Gorilla® Glass Windows and Dragontrail™ Chemically Strengthened Windows Also Available

Dragontrail™ Chemically Strengthened Windows

Chemically Strengthened Thin Glass
Highly Resistant to Surface Scratches
Ideal for Electronic Displays
TECHSPEC® Gorilla® Glass Windows Also Available

ISP Optics Germanium (Ge) Wedged Windows

30 Arcmin Wedge
High Transmission from 2 – 10µm
Ideal for Infrared Applications Requiring Rugged Optics
Precision Flat Germanium Windows Also Available
Due to material supply chain disruptions with germanium, there may be increased lead times and price changes on our germanium products. For more information, please contact our customer service team.