UV4E-UV UV-Enhanced Hyperspectral Imaging Camera
| Origin | Finland |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Origin Category | Imported Instrument |
| Model | UV4E-UV |
| Pricing | Available Upon Request |
| Spectral Range | 200–400 nm |
| Spectral Resolution | 2 nm |
| Effective Slit Length | 9.3 mm |
| Optical Throughput | >50% |
| Relative Aperture | f/2.8 |
| Slit Width | 50 µm |
| Stray Light Level | 0.5% |
| Spectral Band Count | >100 |
| CCD Sensor | 1000 × 1000 pixels |
| A/D Conversion | 12-bit |
| Dynamic Range | 59 dB |
| Full-Frame Frame Rate | >30 fps |
| Binned Frame Rate | 150 fps |
| Interface | Camera Link |
| Lens Mount | C-Mount |
Overview
The UV4E-UV UV-Enhanced Hyperspectral Imaging Camera is a precision-engineered optical instrumentation platform designed for quantitative spectral imaging in the deep ultraviolet (UV) region—specifically spanning 200 to 400 nm. Built upon a robust push-broom scanning architecture with a high-throughput Czerny–Turner spectrometer and back-illuminated scientific-grade CCD sensor, the system captures spatially resolved spectral data cubes (x, y, λ) with high fidelity and repeatability. Its optical design emphasizes UV photon collection efficiency (>50% throughput) and low stray light (100 contiguous bands at 2 nm resolution—enabling chemometric analysis, spectral unmixing, and material-specific index mapping without reliance on external reference libraries alone.
Key Features
- Optimized UV optical train featuring fused silica optics and UV-enhanced anti-reflection coatings to maximize transmission from 200 nm onward
- High-sensitivity 1000 × 1000 pixel back-thinned CCD detector with 12-bit digitization and 59 dB dynamic range for low-light spectral fidelity
- Precision-machined 50 µm entrance slit and 9.3 mm effective slit length, balancing spectral resolution (2 nm) and signal-to-noise ratio
- f/2.8 relative aperture enabling rapid acquisition under low-irradiance UV illumination conditions
- Camera Link interface supporting real-time streaming of full-frame hyperspectral data (>30 fps) and accelerated binned modes (up to 150 fps)
- C-Mount lens compatibility for integration with industrial UV objectives, telecentric lenses, or custom illumination geometries
Sample Compatibility & Compliance
The UV4E-UV supports non-contact, label-free analysis of solid, semi-solid, and gaseous samples compatible with UV exposure. Typical use cases include polymer surface oxidation mapping, pharmaceutical tablet coating uniformity assessment, semiconductor wafer defect screening, and ambient air contaminant identification (e.g., ozone, NO₂, aromatic VOCs). The instrument’s spectral calibration is traceable to NIST-standard deuterium and mercury-argon lamps, ensuring compliance with ISO/IEC 17025 requirements for measurement uncertainty reporting. When deployed in regulated environments (e.g., GMP-compliant QC labs), optional audit-trail-enabled software modules support adherence to FDA 21 CFR Part 11 for electronic records and signatures.
Software & Data Management
The UV4E-UV is delivered with Hyperspectral Studio—a modular SDK and GUI application supporting real-time preview, radiometric calibration, spectral library matching (using Euclidean distance, SID, or MF), and PCA-based anomaly detection. Raw data are stored in standard ENVI-compatible .hdr/.dat format with embedded metadata (wavelength vector, slit geometry, exposure time, temperature logs). Integration with MATLAB, Python (via GDAL and scikit-image), and LabVIEW is supported through documented APIs. All processing workflows—including dark current subtraction, flat-field correction, and atmospheric compensation (for open-path gas imaging)—are scriptable and reproducible, facilitating method validation per ASTM E1796 and USP .
Applications
- Quality assurance of UV-curable resins and photopolymers via real-time cure-depth profiling
- Identification and quantification of UV-absorbing additives (e.g., benzotriazoles, hydroxybenzophenones) in packaging films
- In-line monitoring of printed electronics—detecting ink composition drift or substrate contamination during roll-to-roll manufacturing
- Forensic document analysis: differentiation of UV-fluorescent inks, security threads, and erased alterations
- Environmental sensing: open-path differential optical absorption spectroscopy (DOAS) for urban ozone monitoring
FAQ
What UV light sources are recommended for optimal performance with the UV4E-UV?
Deuterium lamps, UV LED arrays (255–365 nm), or pulsed xenon sources with appropriate bandpass filtering are recommended. Continuous-wave sources should provide stable irradiance ≥10 µW/cm² at the sample plane.
Can the UV4E-UV be used in vacuum or inert-gas environments?
Yes—the optical head is sealed and rated for operation in nitrogen-purged enclosures; optional quartz viewport integration supports vacuum chamber mounting (≤10⁻³ mbar).
Is spectral calibration required before each measurement session?
Factory calibration is stable for ≥6 months under controlled lab conditions; however, daily wavelength verification using a Hg-Ar lamp is advised for GLP-compliant applications.
Does the system support real-time spectral classification during acquisition?
Yes—via FPGA-accelerated onboard processing (optional module), enabling pixel-level classification at full frame rate with user-defined spectral thresholds or trained PLS-DA models.
What is the minimum detectable absorbance change in gas-phase measurements?
Under optimized DOAS configuration (1–5 m path length, 100 ms integration), the system achieves an absorbance noise floor of ΔA ≈ 2 × 10⁻⁴ (1σ), sufficient for sub-ppm detection of strong UV absorbers like SO₂ and NO₂.
