Variable Solar Intensity and Wavelength Solar Simulator

The SM-X12 is a high-precision solar simulator capable of generating variable light intensities and multiple wavelengths. It automatically measures current-voltage (I–V) and photoresponse characteristics of photodiodes, photosensors, and photodetectors under controlled illumination conditions, providing fully automated, computer-controlled testing.

The Variable Intensity and Multi-Wavelength Solar Simulator is a high-precision platform designed for automated characterization of photodiodes, photosensors, and photodetectors. The system measures current-voltage (I–V) characteristics and photoresponse (I–λ) characteristics under variable solar light intensities and multiple wavelengths, providing a complete laboratory-grade testing environment.

Key Features

System includes

AAA solar simulator

Easy Light Adjustment controller

Sourcemeter

Photoconductivity Characterization system

Sertificated reference cell 

Sample holder 

Software 

Automatic Characterization System

Automated Measurements

Under Variable Light Intensities

• Automatic I–V (Current-Voltage) measurements

• Automatic Power–V (P–V) measurements

• Automatic ln(I)–V (log-scale current-voltage) measurements

• Automatic Short-circuit current vs. intensity (Isc–Intensity) measurements

• Automatic Photovoltaic mechanism analysis

Under Variable Wavelengths

• Automatic I–V measurements

• Automatic Power–V measurements

• Automatic ln(I)–V (log-scale) measurements

• Automatic Isc–Intensity measurements

• Automatic Photocurrent and photoresponse analysis

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System Features

• Adjustable light intensity to simulate real-world solar conditions

• Fully computer-controlled operation for precision and repeatability

• Compatible with photodiodes, photosensors, and photodetectors

• Automated, high-throughput characterization for research and R&D laboratories

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Software Modules

1. Solar Manager Software

o Controls the solar simulator and light intensity

o Automates measurement sequences for multiple devices

o Data acquisition, visualization, and export

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2. Photocurrent Software

o Measures and analyzes photocurrent response under different wavelengths

o Real-time plotting of I–λ curves 

o Real-time plotting of I–t curves unver various wavelengths

o Automated calculation of photoresponse parameters

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Applications

• Research and development of photodiodes, phototransistors, and photosensors

• Characterization of optical and photovoltaic devices

• Calibration of photodetectors for laboratory and industrial use

• Multi-wavelength response analysis for sensor development

System Components

1. AAA Class Solar Simulator – Maintenance-free, high stability, factory-calibrated for AM1.5G spectral match according Class AAA for IEC 60904-9, JIS C 8912, and ASTM E 927

2. Universal Solar Cell Compatibility: DSSC, QDSC, OSC, Perovskite, Silicon, Thin-Film

3. Irradiance Range: 0.1 W/cm² to 1200 W/m²

4. Illumination Area: 2” x 2” at 1 Sun

5. PV Cell Placement alignment: Ensures precise alignment

6. Adjustable Orientation: Can be mounted pointing up, down, or sideways with 90° rotational accessory

7. Standards Compliance: Class AAA for IEC 60904-9, JIS C 8912, and ASTM E 927

8. Easy Light Adjustment: Fine-tune solar intensity with the controller 

9. Precision Sourcemeter – Voltage range: -7 V to +7 V, Current range: 10 nA to 30 mA

10. Solar Light Controller – Ensures precise and stable irradiance output

• Wavelength range: 370, 380, 390, 400, 410, 430, 450, 460, 520, 570, 610, 620, 690, 750, 760, 820, 860, 960, 980, 1050 nm

11. Automatic IV Measurement Controller – For programmable measurement sequences

12. Calibrated Reference Solar Cell – Factory calibrated for intensity and spectral match

13. Sample Holder – Adjustable for multiple orientations, including 0°–90° rotation

14. Calibration: Factory-calibrated reference solar cell for AM1.5G spectral match and irradiance intensity

15. Electronic Pulse Module Pulse Duration: 100 ms – 1 s

16. LED-Based Monochromator Wavelengths: 370 – 1010 nm (25 selectable wavelengths)

17. Control System Fully computer-controlled, automated measurement and analysis

18. Software Modules I–V SoftwarePhototransient-Time SoftwarePhotocurrent-Wavelength Software

19. USB Communication: Easy interface with control software

Software

The system includes multiple software modules for complete photovoltaic analysis:

• Solar IV Characterization Software – Automated I–V and P–V measurements

• Solar Life-Time Software – Long-term solar cell stability analysis

• Transient Photocurrent Software – Time-resolved photocurrent measurements (I-t)

• Photovoltaic Mechanism Analysis Software – Detailed analysis of PV mechanisms

• Photoconductivity measurement system Detailed analysis under wavelengths

Photoconductivity Characterization System

The Photoconductivity Characterization System is a high-precision laboratory platform for analyzing the modulated current, voltage, and photoresponse characteristics of photodiodes, photosensors, and photodetectors under controlled illumination and various wavelengths.

The system provides a complete characterization environment, including:

• Current-voltage (I–V) measurements under various wavelengths

• Photocurrent-wavelength (Iph–λ) analysis 

• Power-voltage (P–V) curves  various wavelengths

• Phototransient current-time analysis various wavelengths

All measurements are fully computer-controlled, automated, and configurable according to customer requirements.

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Phototransient Measurements (I–t)

• Photocurrent-time measurements under various wavelengths

• Photoresponse-time measurements under various wavelengths

• Photodetectivity-time measurements under various wavelengths

Photocurrent-Wavelength (I–λ) Analysis

• Photocurrent-wavelength measurements

• Photoresponse-wavelength measurements

• Photodetectivity-wavelength measurements

Key Features

• Automated measurement of I–V curves under multiple wavelengths

• Automated photocurrent–wavelength (Iph–λ) characterization

• Supports photodiodes, photosensors, and solar cells

• Extended wavelength coverage from 370 nm to 1010 nm

• High-precision source meter and LED monochromator for reproducible measurements

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Applications

• Advanced photodetector characterization

• Photovoltaic device research (solar cells, photodiodes, sensors)

• Wavelength-dependent photoresponse studies

• Transient photocurrent and photoconductivity analysis

• Laboratory R&D and quality control