White Light Source GY-14 by TOP (Tianjin Top Optoelectronics Co., Ltd.)
| Brand | TOP |
|---|---|
| Origin | Tianjin, China |
| Manufacturer Type | Manufacturer |
| Origin Category | Domestic |
| Model | GY-14 |
| Pricing | Upon Request |
Overview
The GY-14 White Light Source is a stable, broadband thermal emitter engineered for fundamental optical experimentation and calibration tasks in educational, research, and quality assurance laboratories. Operating on the principle of incandescence, it generates continuous spectral output across the visible range (approximately 380–780 nm) with a correlated color temperature (CCT) typical of tungsten-halogen filaments (~2800–3200 K). Unlike monochromatic or LED-based sources, its blackbody-like emission profile provides uniform spectral irradiance ideal for verifying spectrometer response functions, calibrating photometric sensors, and demonstrating optical phenomena such as interference, diffraction, and polarization under broad-spectrum illumination. The integrated ground-glass diffuser ensures spatially homogeneous, low-coherence, Lambertian emission—critical for minimizing speckle and hotspot artifacts during imaging or beam profiling applications.
Key Features
- Stable tungsten-filament lamp housed in a thermally regulated, air-cooled enclosure for consistent radiometric output over extended operation periods.
- Integrated matte-finished ground-glass diffuser (standard 50 mm diameter) delivering uniform angular intensity distribution with <±5% spatial non-uniformity across the illuminated field.
- Adjustable AC input voltage (90–264 VAC, 50/60 Hz) with built-in current-limiting circuitry to extend filament lifetime and maintain spectral stability.
- Robust aluminum chassis with front-panel on/off switch, power indicator LED, and standardized SMA-905 or FC/PC fiber-coupling port options (optional).
- No moving parts or active cooling; designed for Class I laser safety-compliant ambient use without additional shielding requirements.
Sample Compatibility & Compliance
The GY-14 is compatible with standard optical benches, lens holders, diffraction gratings, interferometric setups (e.g., Michelson, Young’s double-slit), and photodetector arrays requiring broadband illumination. It meets general electrical safety requirements per GB 4793.1–2019 (equivalent to IEC 61010-1:2010) for laboratory equipment. While not classified as a metrological standard, its output repeatability (<±1.5% irradiance drift over 30 min at steady-state) supports routine verification per ISO/IEC 17025:2017 clause 7.7 (monitoring of equipment performance). No NIST-traceable calibration certificate is supplied by default; optional third-party spectral irradiance calibration (350–1000 nm) is available upon request.
Software & Data Management
The GY-14 operates as a standalone analog light source with no embedded firmware, digital interface, or software dependency. Its simplicity ensures full compatibility with all external measurement systems—including USB spectrometers (e.g., Ocean Insight HDX, Avantes AvaSpec), lock-in amplifiers, and CCD/CMOS imaging platforms—without driver installation or protocol negotiation. For GLP/GMP environments, users may document operational parameters (input voltage, runtime, ambient temperature) manually or via LIMS-integrated logbooks. No FDA 21 CFR Part 11 compliance features are included, as the device performs no data acquisition, storage, or processing.
Applications
- Educational physics labs: Visualization of wave optics principles including thin-film interference, Newton’s rings, and chromatic dispersion using prisms or gratings.
- Optical system alignment and collimation checks in prototype development of endoscopes, ophthalmic devices, and machine vision lenses.
- Baseline reference illumination for comparative reflectance/transmittance measurements in material characterization (e.g., ASTM E308 for colorimetry).
- Validation of spectral responsivity in photodiodes, lux meters, and integrating sphere detectors prior to UV-VIS-NIR spectrophotometer qualification.
- Supporting role in environmental testing chambers where stable visible-band irradiance is required for accelerated aging studies of polymer coatings and adhesives.
FAQ
Is the GY-14 suitable for quantitative spectral radiometry?
No—it is designed as a stable broadband reference source, not a calibrated radiometric standard. For absolute spectral irradiance measurements, traceable NIST-calibrated lamps (e.g., FEL-type) are recommended.
Can the ground-glass diffuser be replaced or customized?
Yes; standard replacements (frosted BK7, 2 mm thickness, 50 mm Ø) are available. Custom diffusers with specified transmission profiles or etching patterns can be ordered with minimum batch size.
What is the typical filament lifetime under continuous operation?
Approximately 2,000 hours at rated voltage; lifetime extends significantly under dimmed operation (e.g., 80% nominal voltage yields ~4,500 hours, per manufacturer life-testing data).
Does the GY-14 emit ultraviolet or infrared radiation?
Yes—its blackbody spectrum includes near-UV (down to ~350 nm) and near-IR (up to ~2500 nm), though output below 400 nm and above 1100 nm is attenuated by standard glass envelope transmission characteristics.
Is there an OEM version available for integration into larger instruments?
Yes—TOP offers board-level variants with DC-powered filaments, custom housing dimensions, and TTL-triggered on/off capability for OEM partners under NDA.
