Lighting and Radiation Measurements - Fundamentals and sensors
5 important questions on Lighting and Radiation Measurements - Fundamentals and sensors
For what measurements must the spectral sensitivity match the sensitivity of the human eye?
What are the two main approaches to the correct weighting of incident radiation?
- The sensor already has the required sensitivity
- Spectral measurements will be taking and then weighted with applicable sensitivity curve
What four aspects are of importance for photometric sensors?
- (absolute) sensitivity
- relative spectral sensitivity
- size of the photosensitive area A
- Dark Current I0
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What are examples of photosensitive devices?
- Photoresistor
- Photodiode
- Phototransistor
- Photo field effect transistor
Two main ways for spectral sensitivity matching
- Integral filtering
- Partial filering
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