We are performing a photocatalytic experiment using 500 watt Xenon lamp (Model: E10180, Hamamatsu). To get an output of around 100 mW/cm2 from the Xenon lamp, how much should be the luminous intensity measured by a lux meter? Please be informed that a cutoff filter was used in between the lamp and sample. I understood that the distance between the light source, sample and cut off filter should be adjusted to get the required power from the light source. Please let us know any suggestion including this conversion factor.
The luminous intensity is not important for photocatalytic experiments. You need to know the photon flux in your system to get an idea about the quantum yield.
What is the value of 500 watt Xenon lamp (Model: E10180, Hamamatsu) in lumens? And also which watt of LED bub can be used instead of Xenon Lamp?
You can't use light power in watts to compare light sources. You need to know the spectrum of emitted light. Xenon lamp has a high light intensity in UV range. LED light might have a very narrow range of wavelength. Keep in mind that LED is commonly much cheaper, don't produce much heat, lasts very long time, and requires a low voltage power source.
- Badges
- Science topic
- Similar topics
- Control Systems Engineering
- Filtering