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Fast, high-resolution characterization of laser and VCSEL light sources
At Photonics West / USA Instrument Systems presents high-resolution spectroradiometers for the characterization of laser light sources and displays
Instrument Systems supports the optoelectronics industry in innovative product development by supplying state-of-the-art equipment for light measurement. This also holds true for laser light sources that are constantly gaining in importance for scientific and high-tech applications, e.g. autonomous driving. Instrument Systems developed the CAS 140CT-HR high-resolution array spectroradiometer specifically for the absolute characterization of narrow-band emission sources. It delivers measurement results with a high spectral resolution of up to 0.2 nm half-band width, accompanied by short measurement times as low as 9 ms. Above all, the CAS 140CT-HR offers decisive advantages compared to conventional technologies for the fast testing of laser diodes or vertical cavity surface-emitting lasers (VCSEL). Dispersive, scanning or Fourier-transformed IR spectrometers (FTIR) have movable parts that react sensitively to production vibrations. The CAS 140CT-HR contains fixed components and is particularly stable and reliable in operation – making it ideal for exacting tasks in production and the laboratory.
Display measurements set up individually
Premium spectroradiometers can be set up as a DTS system for individual display measurements. The light radiation is launched with the TOP 200 telescopic optical probe connected to the spectrometer by an optical fiber. Due to the flexible fiber connector, the measurement adapter can be easily changed and the system quickly configured for other applications, e.g. LED measurement. The system measures, among other things, the radiance and luminance and the color of displays and backlit symbol displays. The DTS system can be universally employed for display technology, e.g. LCD, LED or OLED.
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