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Class A Solar Simulators

Product catalog summary

Overview of Oriel Class A Solar Simulators
Newport Corporation's Oriel Class A Solar Simulators are designed for high performance and durability, certified to IEC 904-9, JIS C 8912, and ASTM E 927-05 standards. These simulators use a xenon lamp and proprietary filter to achieve Class A performance parameters, ensuring uniformity and reliability in photovoltaic cell testing.

Importance of Class A Systems
Class A systems are essential for photovoltaic cell manufacturers due to their ability to ensure measurement uniformity, comparability, and traceability, reducing variability in cell testing.

Class A Performance Standards
Class A solar simulators must meet stringent requirements in spectral match, spatial uniformity of irradiance, and temporal stability. The standards include:

IEC 904-9: Photovoltaic Devices – Solar Simulator Performance Requirements
JIS C 8912: Solar Simulators for Crystalline Solar Cells and Modules
ASTM E 927-05: Specification for Solar Simulation for Terrestrial PV Testing

Spectral Match
The spectral match is defined as a percentage of integrated intensity across six spectral ranges. For Class A, this range is 0.75 to 1.25 times the ideal percentage. Oriel simulators use a proprietary filter to maintain this range.

Spatial Uniformity of Irradiance
Achieving spatial uniformity is challenging, with a requirement of ≤±2% to minimize hot spots and ensure accurate cell efficiency measurements.

Temporal Stability
Temporal stability ensures consistent light output over time, with a requirement of ≤±2%. Oriel simulators can achieve even lower fluctuations with an optional Light Intensity Control system.

Key Components

Illuminator Housing: Provides a safe enclosure with safety interlocks and cooling systems.
Integrated Shutter: Designed for high durability with a minimum exposure time of 200 ms.
Xenon Arc Lamp: Ozone-free, certified for continuous operation.
1.5G Air Mass Filter: Maintains optical properties throughout lamp life.
Power Supply: Provides regulated power, with specifications varying by system wattage.

Maintenance and Ordering
Maintaining Class A standards requires regular checks and potential adjustments. Replacement lamps and filters are recommended at the time of purchase. Various models are available, each certified to specific standards and specifications.

Catalog excerpts

191 Email: [email protected] • Web: newport.com L i g h t S o u r c e s TECHNICAL REFERENCE CALIBRATION SOURCES DEUTERIUM SOURCES ARC SOURCES INCANDESCENT SOURCES MONOCHROMATOR AND FIBER ILLUMINATORS SOLAR SIMULATORS PHOTOLITHOGRAPHY INSTRUMENTS ACCESSORIES FOR ORIEL LIGHT SOURCES Oriel Class A Solar Simulators With over 30 years of proven performance and rugged durability built into our solar simulator product family, Newport Corporation’s Oriel Class A systems take solar simulation to the next level. Certified to IEC 904-9, JIS C 8912, and ASTM E 927-05 standards, these large area sources use a xenon lamp and proprietary filter to meet, efficiently and reliably, Class A performance parameters without compromising the 1 sun output power. The result is a cost-effective system designed for continuous operation in a 24/7 production environment – all backed by our global service and support network. Why Class A? As photovoltaic (PV) cell manufacturers are driven to higher volume and cell uniformity requirements, Class A systems are becoming a necessity. By ensuring measurement uniformity that allows results comparability and traceability, Class A systems reduce the process and binning variability of photovoltaic cell testing as compared to Class B or non-classified sources. Defining Class A Performance Standards PV standards mandate that Class A solar simulators adhere to demanding requirements in three key performance areas: spectral match to the solar spectrum, spatial uniformity of irradiance, and temporal stability. There are three standards that define solar simulator performance. • IEC 904-9 (1995) Photovoltaic Devices – Part 9: Solar Simulator Performance Requirements • JIS C 8912-1998, Solar Simulators for Crystalline Solar Cells and Modules • ASTM E 927-05 (2005) Specification for Solar Simulation for Terrestrial PV Testing Table 1 Class A Standards and Specifications Performance Parameter Organization IEC JIS ASTM Spectral Match (fraction of ideal percentage) 0.75 – 1.25 0.7 – 1.25 0.7 – 1.25 Non-uniformity of irradiance ±2% ±2% ±2% Temporal Instability ±2% ±1% ±2% Spectral Match The standards define the spectral match of a solar simulator as a percentage of the integrated intensity in 6 spectral ranges (listed in Table 2). Any deviation from the specified percentages must then lie within a range that determines the class of the simulator. For Class A, this range is 0.75 to 1.25 times the ideal percentage. To ensure that the Oriel Class A Solar Simulator falls easily and reliably within this range, we designed a proprietary, highly stable spectral correction filter. The proprietary filter can withstand the very high intensity from the lamp without changing spectral properties. The result is the spectral output shown in Figure 1b. The filter was also designed to maintain Class A performance over the full life of the lamp; see Fig. 4. Table 2 Ideal Spectral Match Defined by IEC Standards Spectral Match Spectral Range (nm) 400 – 500 500 – 600 600 – 700 700 – 800 800 – 900 900 – 1100 Ideal % 18.5 20.1 18.3 14.8 12.2 16.1 • Complete line of Class A products from 2x2" to 8x8" output beam sizes • Factory certified Class A CW systems per IEC 904-9, JIS C 8912, and ASTM E 927-05 • Long-lived, highly reliable instruments designed specifically for 24/7 production environments • Temperature sensors and interlocks ensure operator safety • Convenient user features simplify operation

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192 Phone: 1-800-222-6440 • Fax: 1-949-253-1680 L i g h t S o u r c e s TECHNICAL REFERENCE MONOCHROMATOR AND INCANDESCENT SOURCES ARC SOURCES DEUTERIUM SOURCES CALIBRATION SOURCES FIBER ILLUMINATORS PHOTOLITHOGRAPHY SOLAR SIMULATORS INSTRUMENTS ACCESSORIES FOR ORIEL LIGHT SOURCES WAVELENGTH (nm) IEC CLASS A (% TOTAL IRRADIANCE) 400 500 600 700 800 900 1000 1100 0 0.05 0.1 0.15 0.2 0.25 0.3 0.35 CLASS A UPPER LIMIT CLASS A LOWER LIMIT ORIEL SOLAR SIMULATOR WITHOUT CLASS A CORRECTION FILTERS Fig. 1a Solar simulator spectral output without Class A filters WAVELENGTH (nm) IEC CLASS A (% TOTAL IRRADIANCE)...

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193 Email: [email protected] • Web: newport.com L i g h t S o u r c e s TECHNICAL REFERENCE CALIBRATION SOURCES DEUTERIUM SOURCES ARC SOURCES INCANDESCENT SOURCES MONOCHROMATOR AND FIBER ILLUMINATORS SOLAR SIMULATORS PHOTOLITHOGRAPHY INSTRUMENTS ACCESSORIES FOR ORIEL LIGHT SOURCES Oriel Class A Solar Simulator Key Components Illuminator Housing The illuminator housing provides a safe enclosure for the lamp. It is equipped with safety interlock systems to ensure operator and system safety. An integral fan and filter blower provides forced air-cooling to maintain optimal lamp, optics and housing...

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