NIR Bandpass and Dual Bandpass Filters

NIR Bandpass and Dual Bandpass Filters selectively allows the passage of visible light and a narrow band of IR light while blocking unwanted wavelengths. By reducing the amount of IR light captured, the optical filter improves the image quality, reduces noise, and enhances the accuracy of IR sensing systems.

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Features

Physical Properties

Density: 2.37 g/cm³
Young’s Modulus (Elastic Modulus): 72 GPa
Poisson’s Ratio: 0.21
Thermal Expansion Coefficient:
- Between 25°C and 300°C: 3.4 x 10⁻⁶ /°C
Glass Transition Temperature: Approximately 660°C
Softening Temperature: Around 880°C

Optical Properties

Refractive Index (589 nm wavelength): 1.512
Optical Transmittance:
- High transmittance in visible light range (400-700 nm)
- Optimized for LCD and OLED performance
- JNS can apply Anti-Reflective Coatings to further enhance visible & NIR transmission of Corning Eagle XG
- JNS can apply a custom Optical Coating to pass or block UV or IR light
Surface Quality: High surface flatness and smoothness for precision displays I standard on Corning Eagle XG. JNS can polish the glass further to meet the tightest standards for flatness and surface roughness.

Thermal Properties

Specific Heat Capacity: Approximately 0.75 J/g/°C
Thermal Conductivity: Around 1 W/m·K

Mechanical Properties

Hardness (Vickers): 5.8 GPa
Bend Strength: Typically around 500 MPa

Chemical Properties

Chemical Durability: High resistance to acids and bases, making it durable for a wide variety of environments.

JNS Glass & Coatings can fabricate Corning Eagle XG to your specific needs. Our fabrication capabilities include drilling, polishing, precision slicing & dicing as well as CNC fabrication.

Spec Sheets

Corning® Eagle XG Data Sheet

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Part#	Description	Substrate	Useful Range	Tolerance	Peak Transmission	Surface Quality	Screen Printed
							Optional Features
BP695	Near-IR Bandpass Filter	Filter	680-720nm	(+/-10nm)	≥90%	40/20SD
BP735	Near-IR Bandpass Filter	Filter	715-780nm	(+/-10nm)	≥90%	40/20SD
DB735	Dual Bandpass Visible + 735nm	Filter	405-645nm 725-755nm	(+/-20nm)	≥90%	40/20SD
BN740	Narrow Near-IR Bandpass Filter	Filter	730-755nm	(+/-7nm)	≥85%	40/20SD
Bi750	Near-IR Interference Bandpass Filter	Filter	710-765nm	(+/-5nm)	≥90%	40/20SD
BN785	Narrow Near-IR Bandpass Filter	Filter	800-1100nm	(+/-10nm)	≥90%	40/20SD
BP800	Near-IR Bandpass Filter	Filter	770-790nm	(+/-7nm)	≥85%	40/20SD
Bi808	Near-IR Interference Bandpass Filter	Filter	798-820nm	(+/-5nm)	≥85%	40/20SD
BN810	Narrow Near-IR Bandpass Filter	Filter	798-820nm	(+/-7nm)	≥85%	40/20SD
Bi830	Near-IR Interference Bandpass Filter	Filter	810-850nm	(+/-5nm)	≥90%	40/20SD
Bi832	Near-IR Interference Bandpass Filter	Filter	822-846nm	(+/-5nm)	≥90%	40/20SD
BP850	Near-IR Bandpass Filter	Filter	820-910nm	(+/-10nm)	≥90%	40/20SD
BN850	Narrow Near-IR Bandpass Filter	Filter	840-865nm	(+/-7nm)	≥85%	40/20SD
DB850	Dual Bandpass Visible + 850nm	Filter	405-645nm 835-875nm	(+/-20nm VIS) (+/-10nm NIR)	≥90%	40/20SD
DB475/850	Dual Bandpass Blue + 850 NIR	Filter	460-490nm 830-870nm	(+/-5nm)	≥90%	40/20SD
DB550/850	Dual Bandpass Blue + 850 NIR	Filter	535-565nm 830-870nm	(+/-5nm)	≥85%	40/20SD
DB660/850	Dual Bandpass Red + 850NIR	Filter	645-675nm 830-870nm	(+/-5nm)	≥90%	40/20SD
DB395/870	Dual Bandpass Absporbtive Visible + NIR	Filter	375-425nm 745-970nm	(+/-10nm)	≥90%	40/20SD
Bi850	Near-IR Interference Bandpass Filter	Filter	845-860nm	(+/-5nm)	≥88%	40/20SD
BP880	Near-IR Bandpass Filter	Filter	845-930nm	(+/-10nm)	≥90%	40/20SD
BN880	Narrow Near-IR Bandpass Filter	Filter	855-890nm	(+/-7nm)	≥85%	40/20SD
Bi905	Near-IR Interference Bandpass Filter	Filter	895-915nm	(+/-5nm)	≥88%	40/20SD
BN940	Narrow Near-IR Bandpass Filter	Filter	928-955nm	(+/-7nm)	≥90%	40/20SD
Bi940	Near-IR Interference Bandpass Filter	Filter	930-952nm	(+/-5nm)	≥85%	40/20SD
DB940	Dual Bandpass Visible + 940nm	Filter	405-650nm 925-965nm	(+/-20nm VIS) (+/-10nm NIR)	≥90%	40/20SD
BP1000	Short-Wave Infrared Bandpass Filter	Filter	930-1030nm	(+/-10nm)	≥80%	40/20SD
Bi1300	Short-Wave Infrared Bandpass Filter	Filter	1290-1310nm	(+/-10nm)	≥90%	40/20SD
Bi1450	Short-Wave Infrared Bandpass Filter	Filter	1440-1460nm	(+/-10nm)	≥90%	40/20SD
BP1550	Short-Wave Infrared Bandpass Filter	Filter	1485-1645nm	(+/-10nm)	≥88%	40/20SD
Bi1550	Short-Wave Infrared Bandpass Filter	Filter	1540-1560nm	(+/-10nm)	≥90%	40/20SD