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Help CenterSTA-C Series: Stackable C-Mount Attenuators for 350–1100 nm Laser
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STA-C Series Stackable C-Mount Attenuators
Overview
The STA-C Series Stackable Attenuators are designed for C-mount optical systems, offering a compact, modular solution for precise light intensity control. With a 1° tilted window design, these attenuators can be stacked to achieve custom optical density (OD) values, making them ideal for applications requiring variable attenuation across the visible and near-infrared spectrum.
Key Features
18 mm Clear Aperture: Supports large beam diameters with minimal vignetting.
C-Mount Compatibility: Input with internal C-mount thread, output with external C-mount thread, for seamless integration into standard camera/lens setups.
Stackable Design: 1° tilted window eliminates etalon effects when multiple units are stacked.
Broad Spectral Coverage: Nominal operating range of 350–1100 nm, optimized for UV-Vis-NIR applications.
Multi-Wavelength Calibration: OD values provided at 355 nm, 532 nm, and 1064 nm; additional wavelength-specific data available upon request.
Specifications
Model Number |
OD @ 1064 nm (ND1) |
OD @ 532 nm (ND2) |
OD @ 355 nm (ND3) |
Recommended Application Bands |
STA-C-0.1-BB |
0.12 |
0.10 |
0.35 |
Not recommended for >400 nm |
STA-C-0.2-BB |
0.11 |
0.21 |
0.20 |
Not recommended for >400 nm |
STA-C-0.3-BB |
0.77 |
0.27 |
0.60 |
350–1100 nm |
STA-C-0.6-BB |
1.25 |
0.61 |
1.49 |
350–1100 nm |
STA-C-0.7-BB |
1.21 |
0.72 |
1.73 |
350–1100 nm |
STA-C-1-BB |
1.32 |
1.02 |
2.20 |
350–1100 nm |
STA-C-2-BB |
2.31 |
2.07 |
4.40 |
350–1100 nm |
STA-C-3-BB |
3.22 |
3.00 |
8.00 |
Not recommended for |
STA-C-4-BB |
4.58 |
4.06 |
7.00 |
Not recommended for |
Note: OD values are measured at the specified wavelengths. For transmittance curves and OD data at other wavelengths, please contact our technical support team.
Applications
Laser power attenuation in imaging systems
Machine vision and industrial inspection
Scientific imaging and spectroscopy
OEM integration into optical measurement setups
Contact
For custom attenuation solutions, bulk pricing, or additional technical specifications, please reach out to our sales team at anna@jusdatest.com.
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