|  1. I am
interested in the TW30DY UV photodiode. I have two questions: 1. What is the
response time for the device? 2. Is it possible to make a detector with an
active area of 32 sq mm (4mm x 8mm)?
1.The response time for the TiO2 photodiodes is a function of
the radiation intensity. This is due to the polycrystalline nature of the
semiconductor: The TW30DY (as well as TW30DY2 and TW30SY) behaves as given by
the following table:
|
UV Intensity |
Response time |
|
50 W/cm² |
0.06 ms |
|
10 mW/cm² |
0.7 ms |
|
0.5 mW/cm² |
40 ms |
|
0.01 mW/cm² |
500 ms |
If you need faster UV-photodiodes, we recommend the SiC
UV-photodiodes, however they have a significantly smaller photoactive
area.
2. A large area is possible to meet your requirements but would
carry a development cost. |
