Infrared Bandpass Filters, CWL (um): 3.33±0.03

Name: Infrared Bandpass Filters, CWL (um): 3.33±0.03
SKU: FMFF-0003

Cat No:FMFF-0003

Description

Mid-/Far-Infrared Filters are optical filters designed to selectively transmit or block specific wavelength ranges within the mid-infrared (MIR) and far-infrared (FIR) regions. These filters are typically fabricated using specialized infrared-transparent substrates and advanced coating technologies to ensure high transmission efficiency and stable spectral performance. They play a critical role in infrared sensing, thermal analysis, and spectroscopy systems.

Datasheet

Inquiry

Basic Information

Feature	Optimized for mid- and far-infrared wavelength ranges High transmission within the designated passband Effective out-of-band blocking to improve signal-to-noise ratio Infrared-transparent substrate options such as ZnSe, Ge, or silicon Stable optical performance under thermal and environmental variations Customization available for wavelength range, bandwidth, substrate material, and coating design
CWL (um)	3.33±0.03
Diameter (mm)	10.0; 25.0
Thickness (mm)	1.0
Transmission (%)	≥ 80
FWHM (um)	0.14±0.02
Blocking Range (nm)	200-5000; 200-12000
Material	IR Grade Fused Silica
Dimension Tolerance (mm)	+0/-0.2
Thickness Tolerance (mm)	±0.2
Surface Quality	80/50
Clear Aperture	0.9
Blocking Depth	Tmax <1%; Tavg <0.1%
RoHS	Compliant

Applications

Application

Infrared spectroscopy and chemical analysis Thermal imaging and temperature measurement systems Gas sensing and environmental monitoring Infrared detectors and sensor modules Scientific research, defense, and industrial IR instrumentation

GET IT!

Eata Ray is your trusted partner for high-precision optoelectronic components, integrated processing services and comprehensive testing solutions—driving your innovation forward, every step of the way.

For Research or Industrial Raw Materials, Not For Personal Medical Use!