CEL-LAX1800 Large-Area Xenon Light Source
| Brand | CEL (Zhongjiao Jinyuan) |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | OEM Manufacturer |
| Light Source Type | Xenon Arc Lamp |
| Illumination Mode | External Irradiation Configuration |
| Product Category | Domestic Scientific Instrument |
| Model | CEL-LAX1800 |
Overview
The CEL-LAX1800 Large-Area Xenon Light Source is an engineered optical irradiation system designed for laboratory-scale and pilot-stage photochemical, photocatalytic, and photophysical investigations. It employs a high-intensity, short-arc xenon lamp as its core emitter, delivering continuous spectral output spanning approximately 200 nm to 1100 nm—encompassing the deep ultraviolet (UV-C), UV-B, UV-A, visible (VIS), and near-infrared (NIR) regions. This broad spectral continuity closely approximates natural solar irradiance (AM1.5G), making the CEL-LAX1800 particularly suitable for solar-simulation applications, quantum yield measurements, and accelerated aging studies where spectrally representative excitation is critical. Unlike pulsed or LED-based sources, the xenon arc provides stable, broadband, temporally continuous emission—essential for kinetic profiling, steady-state reaction monitoring, and time-resolved spectroscopic coupling.
Key Features
- Large-area uniform illumination field (standard aperture: Ø180 mm at sample plane), achieved via optimized ellipsoidal reflector geometry and secondary collimating optics—minimizing spatial intensity gradients across the irradiated zone.
- High radiometric output: Delivers >1.2 sun-equivalent irradiance (≥120 mW/cm² integrated over 300–800 nm) at the working plane under standard configuration, enabling rapid photon flux delivery for demanding photocatalytic turnover studies.
- External irradiation architecture: Enables flexible integration with custom reactors—including top-irradiated slurry photoreactors, gas-phase flow cells, electrochemical photoelectrochemical (PEC) cells, and in situ spectroscopic cuvettes—without requiring optical window modifications to the sample vessel.
- Integrated thermal management: Forced-air cooling with dual-stage heat filtering (cold mirror + optional UV-pass or VIS-NIR bandpass filter wheel) ensures stable lamp operation and suppresses non-photochemical thermal loading on sensitive samples.
- Modular power supply: Constant-current DC ballast with soft-start ignition and real-time arc stability monitoring, supporting long-term operational reproducibility (>1,000 h typical lamp lifetime under recommended duty cycles).
Sample Compatibility & Compliance
The CEL-LAX1800 accommodates diverse sample formats—including Petri dishes, quartz reactor tubes (up to 50 mm diameter), flat-panel thin-film substrates, and multi-well plates—via adjustable height and tilt mounts. Its external illumination design eliminates constraints imposed by reactor wall transparency or internal lamp placement, facilitating compatibility with opaque or high-pressure vessels. From a regulatory standpoint, the system complies with IEC 61000-6-3 (EMC emission limits) and IEC 61000-6-2 (immunity requirements). While not certified for clinical or GMP manufacturing environments, its stable output and documented repeatability support GLP-aligned experimental protocols. When used with calibrated reference detectors (e.g., NIST-traceable photodiodes), irradiance values meet ASTM E927-20 and ISO 9050 reporting conventions for solar simulator classification.
Software & Data Management
The CEL-LAX1800 operates as a standalone hardware platform; no proprietary software is required for basic operation. However, it features analog (0–5 V / 4–20 mA) and digital (RS-485 Modbus RTU) interfaces for integration into automated test benches. Users may log lamp operating hours, voltage/current telemetry, and cooling status via third-party SCADA or LabVIEW-based acquisition systems. For traceability in regulated workflows, timestamped operational logs can be synchronized with external spectroradiometric calibration records (e.g., using an Ocean Insight HDX or Avantes AvaSpec system), satisfying foundational elements of FDA 21 CFR Part 11 audit-trail expectations when paired with appropriate electronic record governance policies.
Applications
- Photocatalytic hydrogen evolution and CO₂ reduction screening under simulated solar illumination
- UV/VIS/NIR-driven polymerization kinetics and photoinitiator efficiency mapping
- Accelerated photostability testing of pharmaceuticals per ICH Q1B guidelines
- In situ DRIFTS and Raman spectroelectrochemistry under controlled irradiation
- Calibration and validation of broadband radiometers and spectroradiometers
- Material degradation studies on coatings, textiles, and OLED encapsulation layers
FAQ
What spectral irradiance standards does the CEL-LAX1800 meet?
It achieves Class AAA equivalence per ASTM E927-20 in spatial uniformity (±5%) and temporal stability (±2% over 8 h), though spectral match requires optional AM1.5G filter integration.
Can the system be configured for collimated beam output?
Yes—optional collimator kits (f/# = 5 or 10) are available to convert the default Lambertian output into quasi-collimated illumination for optical alignment or interferometric setups.
Is lamp replacement user-serviceable?
Lamp replacement requires alignment verification using a laser collimation tool and spectroradiometric recalibration; CEL recommends qualified technician service for metrological continuity.
Does the unit include radiometric calibration data?
Each shipment includes a factory-measured spectral irradiance curve (300–1100 nm, 1 nm resolution) referenced to a NIST-traceable standard detector, valid for 12 months from date of issue.
What safety interlocks are implemented?
Hardware-enforced door interlock, overtemperature cutoff (<85°C heatsink), and lamp current anomaly detection prevent unsafe operation; all comply with IEC 60825-1 Class 3R laser safety principles for optical hazard mitigation.
