Green

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Gas and liquid analysis are traditional optical applications and where Hamamatsu has extensive experience. Testing for exhaust gas analysis in engines is also an example of such traditional applications and is performed using FTIR infrared spectroscopy. It is a mandatory test to meet the requirements of the rigid environmental exhaust gas standards.

Due to strict environmental regulations, analytical systems have become on-board devices, which continuously analyze gases or liquids in cars or trucks. Also, the use of optical sensors for safety reasons is becoming more important for example to detect moisture or ice, or to detect dangerous gases in the interior of the car. The requirements for such on-board sensors are extremely high and completely different from conventional analytical measurement systems.

We offer reliable optical semiconductors which support such on-board environmental sensors, such as Thermopiles with filter to measure the CO2 ratio for air-quality control. InGaAs Photodiodes and infrared LEDs to detect moisture or ice, or, in combination with suitable filters, to analyze the contents of exhaust gas or fuels in order to provide data to the catalytic converter or engine control.

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