VIS-NIR Neutral Density Filters (350-1100nm)
Broad Spectral Coverage: VIS-NIR NDFs cover a wide spectral range, enabling their use in applications that require simultaneous analysis of visible and near-infrared light.
Spectral Neutrality: Like their VIS-only counterparts, VIS-NIR NDFs maintain the spectral distribution of light, ensuring that all wavelengths are attenuated equally, preserving the true color and spectral properties of the incident light.
Precise Attenuation: Offered in various Optical Density (OD) values, these filters provide precise control over light intensity reduction, allowing for fine-tuning of exposure or signal levels in different applications.
Durability and Stability: Constructed with high-quality materials and coatings, VIS-NIR NDFs exhibit excellent durability and stability, ensuring consistent performance over time and across various environmental conditions.
Versatility: Their broad spectral coverage and precise attenuation capabilities make VIS-NIR NDFs versatile tools for a wide range of applications in photography, science, engineering, and industry.
Applications: Photography and Cinematography, Scientific Research, Biomedical Imaging, Industrial Inspection, Laser Systems, etc.
VIS-NIR Neutral Density Filters (NDFs) are advanced optical components designed to uniformly attenuate light intensity across a broad spectral range, encompassing both the visible (VIS, 400-700nm) and near-infrared (NIR, 700-1100nm) regions. These filters allow precise control over the amount of light reaching a detector or sensor, without altering the relative spectral distribution, thereby preserving color balance and contrast across the entire VIS-NIR spectrum.
Specifications:
| Materials | BK7 or Colored Glass |
| Wavelength Range | 350nm to 1100nm |
| Optical Density Range | OD 0.1 to 3 |
| Aperture | >90% |
| Surface Quality | 40/20 S/D |
| Parallelism | <30 arc second |
| Surface Quality | 40/20 S/D |
| Transmitted Wavefront Distortion | <λ/4@633nm |
| Size | customized |
Features:
- Broad Spectral Coverage: VIS-NIR NDFs cover a wide spectral range, enabling their use in applications that require simultaneous analysis of visible and near-infrared light.
- Spectral Neutrality: Like their VIS-only counterparts, VIS-NIR NDFs maintain the spectral distribution of light, ensuring that all wavelengths are attenuated equally, preserving the true color and spectral properties of the incident light.
- Precise Attenuation: Offered in various Optical Density (OD) values, these filters provide precise control over light intensity reduction, allowing for fine-tuning of exposure or signal levels in different applications.
- Durability and Stability: Constructed with high-quality materials and coatings, VIS-NIR NDFs exhibit excellent durability and stability, ensuring consistent performance over time and across various environmental conditions.
- Versatility: Their broad spectral coverage and precise attenuation capabilities make VIS-NIR NDFs versatile tools for a wide range of applications in photography, science, engineering, and industry.
Applications:
- Photography and Cinematography: Used to adjust exposure in high-light conditions or to create specific lighting effects, VIS-NIR NDFs are invaluable for professional photographers and cinematographers working in diverse environments.
- Scientific Research: In fields such as astronomy, remote sensing, and spectroscopy, VIS-NIR NDFs are employed to control light levels entering detectors and sensors, facilitating accurate measurements and observations across the VIS-NIR spectrum.
- Biomedical Imaging: In biomedical applications, including fluorescence microscopy and optical coherence tomography (OCT), VIS-NIR NDFs help regulate light intensity to optimize image contrast and resolution, enabling precise visualization of biological structures and processes.
- Industrial Inspection: In manufacturing and quality control, VIS-NIR NDFs are used to adjust the illumination of products and materials under inspection, ensuring accurate measurements and defect detection across the visible and near-infrared wavelengths.
- Laser Systems: In laser technology, these filters protect sensitive components from excessive light intensity and facilitate precise control over laser beam power, making them essential for safe and efficient laser operations.
Kingwin Optics provides a range of Neutral Density Filters for Ultraviolet (UV), Visible, or Infrared (IR) applications, accommodating operations in different spectra. This page specifies our Custom VIS-NIR Neutral Density Filters with a transmission wavelength range of 350-1100nm. Crafted with precision engineering and superior materials, our ND Filters offer unparalleled control over light intensities without compromising spectral integrity. Continuously variable ND filters in rectangular or round shapes are also available.
