Sciencetech Inc. has been designing and manufacturing optical and spectroscopy instruments and components in Canada since 1985. Sciencetech equipment has been used in many applications and fields including medical research, biotechnology, space sciences, analytical chemistry, material research, pharmacology, applied physics, aerospace, food sciences, environmental and academic research. Sciencetech manufactures a variety of optical and spectroscopy products such as solar simulators, monochromators, spectrographs, light sources, detector systems and accessories that can be used to produce a wide variety of systems. This modular concept facilitates the arrangement of optical components into configurations that best fit the needs of a specific application.

Products

§  Solar Simulators
§  Photovoltaic Testing Systems
§  Quantum Efficiency Measurement Systems
§  Lasers
§  Light Sources
§  Monochromators
§  FTIR Spectrometers
§  Accessories - Optics/Electronics

Solar Simulators

Sciencetech's solar simulators can be modified to suit your specific needs. The total irradiance on the target plane depends on the power of the arc lamp, the size of the illuminated target and the distance to the target. Sciencetech engineering department has an excellent working knowledge of the technical trade-offs related to these parameters and they can customize a solar simulator to fulfill almost every requirement. The patented design of the fully reflective solar simulators allows for ASTM Class A performance with higher intensity and efficiency than competing solar simulators. Class A standards can be achieved with the Collimated, Fresnel lens and Pulse solar simulators. Again these parameters depend on lamp power, target area and distance, please specify your requirements when submitting a request for quote.

Collimated Small Beam Solar Simulators

This inexpensive, small beam solar simulator is designed for applications where field size/power level can be sacrificed for cost-efficiency. With 1" optics uniformity is class A over a 1" field just past the output collimator, and collimation radius is better than 1 degree. At other locations uniformity is class A over about 1/2 the full field size. If this location is inconvenient (e.g. if filters are needed) a coupling lens can be added to project the uniform field to a more suitable location and selectable target size (but the beam is no longer collimated without introducing a 3rd lens).

Fully Reflective Solar Simulators

Sciencetech Solar Simulators produce higher intensity, very uniform illumination on a target area. In general solar simulators capture light from an arc lamp source (usually xenon) using a parabolic reflector. This arrangement results in a light pattern with a bright outer ring and a dark center. This non-uniformity is unacceptable in some applications for solar simulators. Many solar simulator manufacturers use diffusers to reduce the non-uniformity of their light pattern, but this solution results in a reduction in intensity, and a distortion of the spectrum on the target area. Sciencetech’s solution to these problems was to use a system of mirrors that “fold” the light onto the test plane so that less light is lost and there is no spectral distortion. The proprietary fully reflective design makes Sciencetech SS series solar simulators much more efficient.

Solar simulators can imitate sunlight conditions in a variety of environments such as the spectral distribution at sea level and in Space. The spectral distribution from the xenon arc lamp source can be altered and refined using Air Mass (AM) filters. Sciencetech’s AM filters are designed to be used individually for standard ratings but can be arranged in series to produce other spectral distributions as well. Many solar simulator systems require the use of filters in series to achieve the same performance as Sciencetech’s filters, for example the use of AM0 and AM1.0 filters in series to achieve AM1.0 spectral distribution, where Sciencetech’s AM1.0 filter can be used individually to achieve the same result. The use of a single filter reduces the losses associated with passing the light through several filters, and reduces the cost of filters for the system.

Sciencetech’s Fully Reflective Solar Simulators can be customized for your needs by manipulating the lamp power, the size of the target area and the distance to the target.

Measures all types of solar cells:

• mono/polycrystalline and amorphous silicon
• c-Si, mc-Si, nc-Si
• III/V compound cells
• Thin Film CdTe, CIS, CIGS, Si
• 3rd generation: organic polymer, dye-senstized
• Semiconductors, CdTe, CIS
• c-Si, mc-Si, nc-Si

Fresnel Lens Solar Simulators

Sciencetech has designed a Highly Collimated Solar Simulator for the purpose of photovoltaic testing. This new solar simulator, Model SSxxKW-Xe-Fr, with 1.0kW, 1.6kW and 2.4kW versions, can illuminate fields up to 300mm (12") diameter at a 1 SUN level. It uses a Fresnel lens to image the arc of a Xenon lamp to infinity and produce a highly collimated beam, plus a spatial filter for uniformity. The spectral distribution of the xenon light source is adjusted using specially designed Air Mass filters to closely simulate the sun's true spectral distribution for various conditions on Earth.

Flash Solar Simulators

Pulse solar simulator for large photovoltaic cells up to 1 x 1m. A larger (2 x 2m) version is available with its own current-voltage (I-V) measurement system option. Sciencetech has developed a number of fast I-V measurement system for the 2 m x 2 m and larger pulse solar simulator.

For a detailed catalog please write to dynams@airtelmail.in.  We would be glad to send one.

THz Spectrometer

Far-Infrared and terahertz (THz) light is the spectral region between the end of the infrared region and microwave region. It is also known as sub-millimeter wave spectral region. In the last few years, there has been an explosion of interest in THz light applications as it can penetrate many materials like x-rays. THz light is now used in material science research, security, pharmaceutical compound analysis, biomedical imaging, superconducting material research, astronomy and particle physics research.

Sciencetech is a pioneer in THz spectroscopy having supplied its SPS-200 Far Infrared FTIR for over 10 years to the sub-millimeter wave research communities in astronomy and particle physics. Sciencetech has recently upgraded its SPS-200 into a truly commercial grade SPS-300 THz spectral analyzer and spectrometer thanks to the support of the European Space Agency which is using the SPS-300 for its Herschel-Plank Mission to analyze the origins of the universe.

Model SPS-300 Far-Infrared THz FTIR
The SPS-300 is Sciencetech’s latest modular polarizing Fourier Transform Spectrometer (FTS) designed specifically to operate in the far infrared or THz spectral region. While standard FTS and FTIRs are based on the Michelson configuration, the SPS-300 is based on the Martin-Puplett configuration which utilizes polarization division for a significantly increased signal to noise ratio to measure normal transmission, circular dichroism, and linear dichroism. The SPS-300 can be configured as a THz light source spectral analyzer by mating an external bolometer detector to its output port, or it can be configured into a THz materials spectrometer by mating an external light source to its input port and a sample chamber with detector to its output port.

Model SPS-200 Far-Infrared FTIR
The Model SPS-200 is Sciencetech’s older generation THz polarizing Fourier Transform Spectrometer (FTS). Although no longer available, there are many new upgrade accessories available for customers with existing systems. For example, the Rapid Scan Mode upgrade, which is also available for the SPS-300, a new highly stable mercury arc lamp, a new slower chopper system, etc.

THz Scanning Services
Sciencetech provides THz spectral analysis and scanning services on various materials in solid, liquid and gas form. Both transmission and reflectance measurements can be taken in the spectral range 20μm to 3.3mm.

For a detailed catalog please write to dynams@airtelmail.in. We would be glad to send one.

 Accessories

 Light Sources