Circular Step Neutral Density Filter | UltraOpto
Product Overview
UltraOpto Circular Step Neutral Density Filter is specially designed for segmented light attenuation and calibration scenarios. It enables switching between different fixed optical density levels via rotation, achieving discrete and high-precision light intensity adjustment.
This filter can be used in combination with circular graduated density filters, which greatly expands the adjustment range and realizes full-process precision control from coarse tuning to fine tuning. It serves as a core component for optical system calibration, exposure calibration, and laser power adjustment. The product dimensions cover 25mm~100mm, and it also supports the development of step schemes with special dimensions, customized density arrays and specified wavelengths.
Core Advantages
1.Segmented Precision Adjustment:
Switch between multiple fixed optical density levels through rotation to achieve discrete and high-precision light attenuation control, meeting the requirements of system calibration and verification.
2. Strong Combination and Expansion Capability:
Can be used with circular graduated density filters to realize wide-range and high-precision light intensity adjustment, satisfying the control needs of complex optical systems.
3. Wide Size Compatibility:
Standard dimensions cover 25mm~100mm, and special apertures and customized specifications are also supported to adapt to the installation requirements of different optical platforms.
4. Customized Density Array:
The number of steps, gear intervals and optical density series (D/E/F Series) can be customized according to application scenarios to meet the requirements of specific attenuation curves.
5. Excellent Optical Performance:
Adopts high-quality optical substrates such as BK7/K9, featuring stable transmittance and high optical density control precision, ensuring the consistency of calibration and adjustment.
Standard Product Specifications
| Model | Base Material | Size | Optical Density Series |
|---|---|---|---|
| CSND-B60CD | BK7/K9 | Φ60×Φ8.3 | D |
| CSND-B60CE | BK7/K9 | Φ60×Φ8.3 | E |
| CSND-B60CF | BK7/K9 | Φ60×Φ8.3 | F |
Application Scenarios
Optical System Calibration and Verification:
Serves as a standard attenuation component for response calibration and linear verification of cameras, sensors and light source systems.
Laser Power Adjustment:
Realizes graded adjustment of laser power through segmented attenuation control, suitable for scientific research experiments and industrial processing scenarios.
Imaging System Exposure Control:
Combined with gradient filters, it achieves wide-range and high-precision exposure adjustment to optimize high dynamic range imaging quality.
Luminance and Chrominance Measurement:
Used for attenuation calibration of photometers and spectrometers to ensure the accuracy and repeatability of measurement results.
Customization Services
UltraOpto can provide personalized customization of substrate materials, size specifications, number of steps, optical density series and operating wavelengths according to your specific needs, helping your optical system achieve optimal performance.
For more technical details or customized solutions, please feel free to contact our technical team.