Labsphere’s HELIOS Plus range of uniform light sources serve as stable, calibrated standards of luminance and spectral radiance. The open exit port on an internally illuminated integrating sphere acts as a uniform light source. The sphere output is characterised by both spatially and angularly uniform radiance which can be used to flat-field correct and transfer an absolute luminance or spectral radiance calibration onto cameras, multispectral and hyperspectral imagers, small satellite imagers and earth observation systems.
The HELIOS Plus L-Series uniform light sources are designed for low light level sensor test applications.
HELIOS Plus L-Series Datasheet
HELIOS Plus Uniform Light Source Systems Brochure
HELIOS Plus-LL Low Level Systems
The ideal solution for night vision systems and security cameras.
Features:
Sensitivity Across the Spectral Range
Accurately monitor the dynamic range of your low light cameras with the HELIOSPlus L Family dual detector set up. The SD-S1 and SD-L1 silicon detectors are large active area detectors featuring extremely stable output over a wide range of temperatures and light levels. The L1 offers extremely low light level capability.
Automate Your Testing Routines
Automate your low light testing routines with responsive Hunt & Seek feedback loops using attenuators, detectors, and spectrometers, or impliment Scripting functions for simple programs inside and outside the HELIOSense GUI. HELIOSense Software is the primary interface for HELIOSPlus components and systems. It is a flexible architecture where any hardware built into the Labsphere API (LSAPI) can be recognized and used in HELIOSPlus systems.
The HELIOSPlus-LL, L Family systems are classic QTH-based calibration sources designed for low level and MIL Spec night vision sensor testing. Two detectors and automated attenuators give you the ability to dial in an exact light level at the challenging low limits of your sensors.
| Sphere Dia | Port Dia | Max Luminance, cd/m2 | Illuminance at Port, lux | CCT Range | Variable Attenuator | # Steps | |
| USLR-L20F-NBNL-P | 20 | 8 | 1,600 | 5,000 | 2856K +/-50K | Advanced, VAA | 8.80E+06 |
| USLR-L12F-NBNL-P | 12 | 4 | 4,700 | 14,800 | 2856K +/-50K | Advanced, VAA | 8.00E+06 |
| USLR-L12L-NBNL-P | 12 | 4 | 6,400 | 20,000 | 2856K +/-50K | Advanced, VAA | 8.00E+06 |
| USLR-L08F-NBNL-P | 8 | 2 | 6,500 | 20,300 | 2856K +/-50K | Advanced, VAA | 6.00E+06 |
| USLR-L08L-NBNL-P | 8 | 2 | 9,500 | 30,000 | 2856K +/-50K | Advanced, VAA | 6.00E+06 |
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