The Solar Simulator provides stable, high-intensity illumination that mimics natural sunlight, featuring innovative light intensity stabilization for precise and reliable testing.
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Description
Solar Simulator
The Solar Simulator consists of the Xenon Illuminator with a 150 W Xenon bulb and an Air Mass 1.5G filter. It is typically equipped with an elliptic reflector, which generates a white light beam converging at a single focal point about 20 cm from the lamp’s output window. In this way, one can vary the light intensity density by adjusting the sample distance from the housing.
Due to the reflector engulfing the lamp, the setup has very good efficiency. Up to 70% of emitted radiation is captured by the reflector and directed at the illuminated sample.
As optional features, the unit may provide three types of stabilization:
⬛ Electric current
⬛ Electric power
⬛ Light intensity stabilization
The light intensity stabilization mode helps the long-term stability (on the order of hours) of the output beam. It also reduces the warm-up time to about 3 minutes, compared with 30 minutes or longer in the current stabilization mode.
Solar Simulator Modules
⬛ Xenon Lamp housing
⬛ Xenon Lamp igniter
⬛ Xenon Lamp controller
⬛ Xenon Lamp cooling system
⬛ Optical fiber
Specifications
⬛ Nominal electric power: 150 W
⬛ Output beam: horizontal or vertical
⬛ Reflector type: elliptical (for convergent beam) or parabolic (for collimated beam)
⬛ Reflecting system efficiency: up to 70%
⬛ Maximal electric current: 8.5 A
⬛ Normal working current: 7.5 A
⬛ Current resolution: 0.1 A
⬛ Stabilization of current: better than 0.1%
⬛ Stabilization of light intensity: available
⬛ Warm-up time: less than 180 sec (in light stabilization mode)
⬛ Current monitor output: BNC
⬛ Photodiode monitor output: BNC
⬛ Counter of bulb’s working hours
⬛ Low electromagnetic emissivity of lamp starter, safe for other devices
⬛ Quiet water cooling system
⬛ Voltage: 230 V, 50 Hz
⬛ Optical bench: optional
Performance
The plot shows the difference in light intensity evolution in two available stabilization modes. The current in the current stabilization regime is kept constant with about 0.0025 % accuracy. Despite that, the light intensity changes significantly over time (black line) due to temperature and pressure changes within the xenon bulb. The light intensity stabilization eliminates the long-term drift in the light output and makes it stable just 3 minutes after the lamp is switched on.
Accesories
⬛ Air Mass 1.5G filter mini
- For solar simulators
⬛ Air Mass 1.5G filter
- AM filters modify the spectral output of the arc lamp to match specific solar conditions
⬛ Water Cooling System
- Ideal for cooling light sources like Xenon Lamp.
