WINDOWS
Full Spectrum of Substrates Available
Substrate Comparison Chart
Zinc Selenide
N-BK7
UV Fused Silica
Sapphire
Zinc Sulfide (Cleartran)
Calcium Fluoride
Magnesium Fluoride
Barium Fluoride
Sodium Chloride
Potassium Bromide
N-BK7
• Low-cost substrate for Visible/NIR applications
• Machine vision, microscopy, and
industrial applications
EO Advantage:
• 5 - 150 mm sizes
• <1 arcmin parallelism
• MgF2 , VIS 0°, VIS-NIR, and NIR I broadband
coating options
• 7 Laser Line coatings between 405 - 1550 nm
www.edmundoptics.eu/1923
• High index of refraction and knoop hardness
with transmission in the mid and long wave IR
• Thermal imaging, FLIR, and rugged IR applications
EO Advantage:
• 10 - 76,2 mm diameter sizes
• λ/20 @ 10,6 μm surface atness
• <1 arcmin parallelism
• BBAR and DLC coating options
www.edmundoptics.eu/2685
Visit www.edmundoptics.eu/windows to browse the entire selection of windows
26 | +44 (0) 1904 788600 Edmund Optics®
UV Visible Infrared
Substrate
Germanium
Silicon
0.1 0.2 0.3 0.4 0.5 0.6 0.7 1 2 6 8 10 15 20 25 30
Wavelength (μm)
Barium, Calcium, and Magnesium Fluoride
• Low absorption and high damage threshold
from 0,2 - 7 μm
• Spectroscopy, semiconductor processing, and
cryogenically cooled thermal imaging applications
EO Advantage:
• 5 - 50 mm sizes
• λ/2 surface atness
• <1arcmin parallelism
www.edmundoptics.eu/2676
Fused Silica
• Low coe cient of thermal expansion and
excellent transmission from UV to IR
• Interferometry, laser instrumentation,
spectroscopy, and industrial applications
EO Advantage:
• 5 - 100 mm sizes (UV grade) and 1" - 8" sizes (standard)
• UV, excimer and standard grade substrate
• High power laser line and broadband AR coatings
www.edmundoptics.eu/2331
Sapphire
• Extremely hard and durable with
good transmission from UV to IR
• IR laser systems, spectroscopy and rugged
environmental equipment
EO Advantage:
• 2,5 - 75 mm diameter sizes
• <3,5 arcmin parallelism
• Multiple standard AR coating options available
www.edmundoptics.eu/1904
Germanium
Silicon
• Low cost and low density substrate for
weight sensitive IR applications
• Spectroscopy, mid IR laser systems, and
THz imaging applications
EO Advantage:
• 10 - 50 mm sizes
• Optical grade substrate
• <3 arcmin parallelism
• 3 - 5 μm AR coating
www.edmundoptics.eu/2750
Zinc Selenide and Zinc Sulfi de
• Low absorption coe cient and high
resistance to thermal shock
• CO2 laser systems and thermal imaging
applications
EO Advantage:
• 10 - 75 mm diameter sizes
• λ/20 @ 10,6 μm surface atness
• Broadband AR coatings
www.edmundoptics.eu/2721
EO ADVANTAGE:
• More than 30 Different Substrates Available Off-The-Shelf
• Wide Selection of Substrates and Coatings for UV,
Visible, and Infrared Wavelengths
• Laser Line and Broadband Anti-Reflection Coatings Available
/1923
/2685
/windows
/2676
/2331
/1904
/2750
/2721