1. Electro-optical and Radio Acoustic Transducers
Urvish Soni

2. Opto-electronic devices
Opto : Optical
Electronic : Semiconductors

3. Need Speed Isolation Size Compactness Low Power Requirements
High efficiency
Lots of Benefits…

4. Photo emissive cells

5. LED

6. Light Emitting Diode

7. LCD

8. IR emitter

9. Photoconductive cells (LDR)
The photoconductive cell is a two terminal semiconductor device whose terminal resistance will vary (linearly) with the intensity of the incident light

10. Photodiode,

11. Photo transistor,

12. Photovoltaic cells,

13. LASER
A laser is a device that emits light through a process of optical amplification based on the stimulated emission of electromagnetic radiation

14. Opto-coupler

15. Digital Encoders (incremental/absolute)

17. Radioactive acoustic transducers
GM Counter
Ultrasonic
Io Selective

18. Geiger Muller counter
MOST IMP

19. Geiger Muller counter

20. Ultrasonic transducers

21. Ion Selective Electrodes