IR Shortpass Filter

Key Features:

  1. High Transmission:
    • Average Transmission: ≥85% across the transmission band, ensuring efficient passage of desired wavelengths.
    • Blocking: OD ≥3.0 across the rejection band, providing effective isolation of unwanted wavelengths.
  2. Broad Wavelength Coverage:
    • Cut-Off Wavelengths: Range from 3.95 to 13.3 µm, covering a significant portion of the infrared spectrum.
    • Versatility: Suitable for various applications requiring specific wavelength cut-offs.
  3. Durable Construction:
    • Coatings: Durable coatings that withstand normal cleaning and handling, maintaining optical performance.
    • Substrates: Made with optical-quality Silicon and Germanium substrates for robust and reliable use.




Infrared (IR) Shortpass Filters Specifications

Parameter Specification
Diameter (mm):  +0.0/-0.2
Optical Density OD (Average): ≥3.0
Cut-Off Wavelength (nm):
Substrate: Silicon
Rejection Wavelength (nm):-
Thickness (mm): 1.00
Transmission (%): ≥85
Transmission Wavelength (nm):
Durability: MIL-C-48497A, Section 4.5.3
Angle of Incidence (°): 0
Cut-Off Wavelength (µm):
Surface Quality: 80-50
Thickness Tolerance (mm): ±0.2
Transmission Wavelength (µm):
Type: Shortpass Filter
Rejection Wavelength (µm):
Cut-Off Tolerance (%): ±2

These specifications provide detailed information about the SHAPE Optics Infrared (IR) Shortpass Filters, designed for high transmission and effective blocking in the infrared spectrum. Ideal for applications in environmental sciences, life sciences, and medical diagnostics, these filters offer robust performance with durable coatings and optical-quality silicon substrates.


  1. Environmental Sciences:
    • Imaging and Detection: Used in environmental monitoring systems for precise detection of specific IR wavelengths.
    • Spectroscopy: Ideal for environmental spectroscopy applications requiring sharp wavelength cut-offs.
  2. Life Sciences and Medical Diagnostics:
    • Medical Imaging: Suitable for medical diagnostic equipment that operates in the IR spectrum.
    • Biomedical Research: Used in various biomedical research instruments for precise wavelength isolation.
  3. Custom Optical Systems:
    • Combination Filters: Can be used in combination with Infrared (IR) Longpass Filters to create custom bandwidth filters, allowing fine-tuning of optical systems for specific applications.


  1. Transmission and Blocking:
    • Average Transmission: ≥85%
    • Optical Density (OD): ≥3.0 in the rejection band
  2. Wavelength Range:
    • Cut-Off Wavelengths: 3.95 to 13.3 µm
  3. Materials and Durability:
    • Substrates: Silicon and Germanium
    • Durability: Coatings designed to withstand normal cleaning and handling associated with high-quality optical components


SHAPE Optics Infrared (IR) Shortpass Filters provide high transmission and effective blocking across a broad infrared wavelength range, making them ideal for a wide range of imaging and detection applications in environmental sciences, life sciences, and medical diagnostics. With durable coatings and high-quality substrates, these filters ensure reliable performance and can be used in combination with IR Longpass Filters to customize optical systems.

Additional information

Weight 0.5 kg
Dimensions 12 × 10 × 8 cm


There are no reviews yet.

Be the first to review “IR Shortpass Filter”

Your email address will not be published. Required fields are marked *