Gamma Scientific is proud to introduce the latest innovation in uniform intensity light sources. The SpectralLED® family of tunable light sources incorporate up to 35 discrete wavelengths for synthesis of commercially available light sources or based on spectra that you import. The platform is easily adaptable for automated test systems and production line integration, with integrated optical feedback and temperature control to ensure rocksolid stability and consistent results.
Unprecedented Resolution and Accuracy – 32 Discrete LED Wavelengths Covering the Visible and NIR
Powerful Synthesis Engine – Quickly Simulate any CIE Illuminant or Macbeth™ / X-RITE™ Color Patch
Flexible Interface – Built-in RMS Spectral Fitting for Simulation of Any User Imported Spectra
Uniform 75mm Radiance Output Port or Optional Baffle Tube for Irradiance
Easily Adaptable – for Automated Test Systems and Production Line Integration
Pure DC Constant Current Drivers and Built-in Optical Feedback Photodiode System – Ensure Accurate Output in Real Time
On-board Thermal Electric Cooler and Feedback – for LED Temperature Control
ISO/IEC 17025 NVLAP Calibration Laboratory (Lab Code 200823-0) – Ensures Superior Wavelength and Color Accuracy
| OPTICAL SPECIFICATIONS | |
| Spectral Range | 380nm – 1000nm (Standard Version, Custom Configurations Available) |
| Spectral Output | 32 Discrete LED Channels, 3 Broadband LED Channels Visible Resolution ≈15nm, NIR Resolution ≈50nm (Typical Channel Spacing) |
| Spectral Peaks1 | 395nm, 405nm, 420nm, 430nm, 450nm, 460nm, 475nm, 495nm, 505nm, 520nm, 525nm, 535nm, 570nm, 595nm, 610nm, 700nm, 620nm, 630nm, 637nm, 660nm, 675nm, 685nm, 715nm, 730nm, 750nm, 760nm, 780nm, 805nm, 850nm, 895nm, 940nm, 965nm, 2700K Warm White, 3000K Warm White, 6500K Cool White (Standard Version, Custom Configurations Available) |
| Spectral Bandwidth | Channel Dependent Visible Typical ≈20nm FWHM, NIR Typical ≈50nm FWHM |
| Source Geometry | 75mm Diameter Uniform Output, Lambertian Radiant Source |
| Spatial Uniformity2 | ≥ 97% |
| Optical Geometry | Built-in Integrating Sphere, 200mm Diameter (Other Output Geometries Available for Projection or Illuminator Applications) |
| Radiance Range3 | Typical Maximum ≈ 15,000μW/cm²/sr Typical Minimum ≈ 15μW/cm²/sr (Spectrum Dependent) |
| Luminance Range3 | Typical Maximum ≈ 30,000cd/m² Typical Minimum ≈ 30cd/m² (Spectrum Dependent) |
| CCT Range | 1,900K – 40,000K |
| Preset Spectra | CIE Illuminants A, B, C, D50, D55, D65, D75, E, F1-F12, Macbeth™/X-Rite™ Color Patches |
| Custom Preset Spectra | Arbitrary Spectra can be Configured as Presets Using API Gamma can Provide Factory Loaded Custom Presets, Use Part Number RS-7-PRE (Spectral Information must be Provided by Customer at Time of Order) |
| ACCURACY SPECIFICATIONS | |
| Illumination Stability | ≥ 99.99% after settling (Channel Dependent, Settling Occurs After ≈50ms for Radiance and ≈2000ms for Color) |
| Illumination Accuracy | ± 1% Absolute NIST Traceable, Calibration Stored Internally |
| Spectral Accuracy | ± 1nm Centroid Wavelength |
| Color Accuracy | CIE 1931 x,y = ±0.003 |
| Linearity | < 0.1% RMS of full scale |
| Temperature Stability | Active Thermoelectric Cooler with Feedback, Temperature Control within ± 1 C° |
| Long Term Drift | Output: ≤ 0.2% Spectral: ≤ 1nm (Typical, Channel Dependent) |
| ELECTRICAL SPECIFICATIONS | |
| Electrical Resolution | 16 bit DAC for Channel Current Drivers (64 Independent DACs, Certain LED Channels Require Multiple Current Drivers) 24 bit ADC for Internal Radiance Monitor/Feedback |
| Dynamic Range Adjustment | Spectrum Dependent, 4-5 Decades Typical |
| LED Control | Pure DC Constant Current with Floating Differential Sensing |
| GENERAL SPECIFICATIONS | |
| Software | Firmware Contains Full Spectral Calibration and Handles Spectral Fitting, Preset Storage, Real-time Optical Feedback, Radiometric and Photometric Units Supported. |
| Interface | USB 2.0 Type B Connector and DB-9 Connector |
| Interface Protocol | Simple ASCII Commands with Optional Binary Block Transfer |
| Supported Operating Systems | USB Drivers for Windows, OSX, and Linux via FTDI virtual COM port Legacy RS-232 Serial Port for Integration into Automated Systems (no OS required) |
| Input Voltage and Power | 110-240 VAC, 50-60Hz, 600W Maximum |
| System Dimensions | Height: 405mm (16in), Width: 460mm (18.1in), Depth: 305mm (12in), Weight: 17.5kg (38.6lbs) |
