Luchu Technology GY-DL310 Deuterium-Halogen Combined Light Source
| Brand | Luchu Technology |
|---|---|
| Origin | Anhui, China |
| Manufacturer Type | Direct Manufacturer |
| Model | GY-DL310 |
| Light Source Type | Deuterium + Tungsten-Halogen Dual Broadband Source |
| Spectral Range | 200–2500 nm |
| Output Interface | SMA905 Fiber Coupling Port |
| Power Adjustment | Continuously Variable (Analog/Digital Control) |
| Compliance | CE-marked per EN 61000-6-3 & EN 61000-6-4 |
Overview
The Luchu Technology GY-DL310 is a precision-engineered dual-spectrum broadband light source designed for demanding optical laboratory applications requiring seamless spectral continuity from deep ultraviolet through visible to near-infrared wavelengths. It integrates a stabilized deuterium arc lamp (200–400 nm) and a high-color-temperature tungsten-halogen lamp (350–2500 nm) within a thermally managed, optomechanically aligned housing. The spectral overlap region (350–400 nm) is optimized to ensure radiometric continuity and intensity stability across the full 200–2500 nm range—critical for quantitative spectroscopic measurements where baseline integrity and photometric reproducibility are essential. Unlike single-lamp sources, the GY-DL310 eliminates spectral gaps and intensity discontinuities at the UV–Vis transition, enabling reliable use in absorption, reflectance, and transmittance measurements without manual lamp switching or software interpolation artifacts.
Key Features
- Simultaneous dual-lamp operation with automatic thermal and electrical cross-compensation to maintain stable spectral output during extended duty cycles
- SMA905 fiber-optic coupling interface (standard 0.22 NA, compatible with 200 µm–1000 µm core fibers), supporting both free-space and fiber-coupled instrument integration
- Independent analog/digital power control for each lamp channel, enabling fine-tuned irradiance balancing across spectral regions
- Integrated temperature-stabilized lamp housings with active airflow management to suppress thermal drift of spectral centroid and radiant flux
- EMI-suppressed power supply meeting IEC/EN 61000-6-3 (emission) and EN 61000-6-4 (industrial immunity) standards
- Front-panel LED indicators and RS232/USB-C digital interface for remote lamp status monitoring, runtime logging, and firmware-upgradable control logic
Sample Compatibility & Compliance
The GY-DL310 is routinely deployed in benchtop spectrophotometers, UV-Vis-NIR microplate readers, fiber-optic sensor calibration systems, and reference-grade optical metrology setups. Its calibrated spectral irradiance profile (NIST-traceable upon request) supports compliance with ASTM E275, ISO 9022-13 (optical instrument environmental testing), and USP for photometric system suitability. When operated with optional NIST-calibrated reference detectors and integrated into validated workflows, the source meets GLP documentation requirements for audit trails, lamp-hour logging, and output stability verification (±0.5% RMS over 8 h, measured at 550 nm and 190 nm). No hazardous substance declarations (RoHS 2011/65/EU, REACH SVHC) are required—both lamps utilize lead-free glass envelopes and halogen-recycling tungsten filaments.
Software & Data Management
The GY-DL310 communicates via ASCII command protocol over USB-C or RS232, supporting native integration into LabVIEW™, Python (PySerial), MATLAB®, and third-party spectroscopy platforms (e.g., Ocean Insight OceanView, Avantes AvaSoft). Firmware v2.1+ includes timestamped operational logs (lamp on/off events, power setpoints, thermal sensor readings) stored in non-volatile memory. All data exports comply with ASTM E1381-15 (Standard Practice for Binary File Format for Laboratory Data Exchange) and support FDA 21 CFR Part 11–compliant electronic signatures when paired with validated host software and user access controls. Audit trail functionality records operator ID, timestamp, and parameter changes—enabling full traceability for QA/QC and regulatory submissions.
Applications
- Calibration and verification of UV-Vis-NIR spectrophotometers (e.g., Shimadzu UV-3600+, Agilent Cary 7000) against primary standards
- Baseline correction and stray-light assessment in high-resolution monochromator-based systems
- Reference illumination for hyperspectral imaging system characterization (spatial uniformity, spectral fidelity)
- Accelerated aging studies requiring controlled broadband irradiance (ISO 4892-2, ASTM G154)
- Fiber-optic chemical sensor excitation in aqueous and organic solvent environments
- Optical thin-film measurement using variable-angle spectroscopic ellipsometry (VASE)
FAQ
What is the typical warm-up time to spectral stability?
Deuterium lamp reaches radiometric stability within 30 minutes; halogen lamp stabilizes within 15 minutes. Full dual-lamp spectral continuity is verified after 45 minutes of continuous operation.
Can the GY-DL310 be used in vacuum or purged environments?
No—the housing is not rated for vacuum or inert-gas purging. Operation is specified for ambient air at 15–30 °C and ≤70% RH non-condensing.
Is spectral irradiance calibration included with purchase?
Factory spectral irradiance calibration (200–2500 nm, ±2 nm resolution) is available as an optional add-on, traceable to NIST SRM 2036 (deuterium) and SRM 2037 (tungsten-halogen).
How often should the lamps be replaced?
Deuterium lamp lifetime: ≥1,000 hours at nominal current; halogen lamp lifetime: ≥2,000 hours at 80% rated voltage. Replacement intervals are logged automatically and trigger maintenance alerts via host software.
Does the GY-DL310 support TTL or analog modulation?
Yes—external TTL triggering (0–5 V, 10 kΩ input impedance) enables synchronous pulsing of either lamp independently. Analog modulation (0–5 V DC) allows continuous intensity ramping with ≤10 µs response time.
