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4-channel multispectral filter
Multispectral filters are precisely fabricated using a combined lithography and coating process. High-precision replication lithography is employed to create deposition masks, and high-performance optical filter films for each spectral band are sequentially deposited within the defined patterns. These multispectral filters feature high transmittance and exceptional filtering performance. Multiple filter channels are integrated onto a single substrate with extremely high spatial alignment accuracy. The products find wide applications in space-based multispectral imaging, multispectral imaging spectrometers, and medical multispectral imaging.
- Product Description
- Parameter Introduction
- Precautions
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Product Performance
Type Multispectral filter Performance parameters Spectral range 300-1200nm Number of spectral channels 4 Graphical error ≤2 μm Minimum width ≤0.7mm Peak transmittance ≥95% Out-of-band cutoff frequency OD3 Spectral curve

Application areas
1. Multi-spectral imaging instrument for spatial applications
2. Multispectral Imager
3. Medical Multispectral Imaging Device
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