Optoelectronic Devices Notes PDF in Hindi | LED, Photodiode and Solar Cell | Engineering Physics (BT-202) | RGPV BTech First Year
Optoelectronic Devices Notes PDF in Hindi | LED, Photodiode and Solar Cell | Engineering Physics (BT-202) | RGPV BTech First Year
Optoelectronic Devices
Optoelectronic Devices рдРрд╕реЗ Semiconductor Devices рд╣реЛрддреЗ рд╣реИрдВ рдЬреЛ Light Energy рддрдерд╛ Electrical Energy рдХреЗ рдмреАрдЪ Conversion рдХрд╛ рдХрд╛рд░реНрдп рдХрд░рддреЗ рд╣реИрдВред Optoelectronics рдЖрдзреБрдирд┐рдХ Electronics, Communication Systems, Fiber Optic Networks, Medical Equipment, Automation Systems рддрдерд╛ Renewable Energy Technologies рдХрд╛ рдорд╣рддреНрд╡рдкреВрд░реНрдг рднрд╛рдЧ рд╣реИред
LED, Photodiode рддрдерд╛ Solar Cell Optoelectronic Devices рдХреЗ рдкреНрд░рдореБрдЦ рдЙрджрд╛рд╣рд░рдг рд╣реИрдВред рдпреЗ Devices рдкреНрд░рдХрд╛рд╢ рдХрд╛ рдЙрддреНрдкрд╛рджрди, рдкреНрд░рдХрд╛рд╢ рдХрд╛ рдкрддрд╛ рд▓рдЧрд╛рдиреЗ рддрдерд╛ рдкреНрд░рдХрд╛рд╢ рд╕реЗ рд╡рд┐рджреНрдпреБрдд рдКрд░реНрдЬрд╛ рдЙрддреНрдкрдиреНрди рдХрд░рдиреЗ рдЬреИрд╕реЗ рдХрд╛рд░реНрдп рдХрд░рддреЗ рд╣реИрдВред
Introduction
Optoelectronics Electronics рддрдерд╛ Optics рдХрд╛ рд╕рдВрдпреБрдХреНрдд рдХреНрд╖реЗрддреНрд░ рд╣реИред рдЗрд╕рдореЗрдВ рдРрд╕реЗ Devices рдХрд╛ рдЕрдзреНрдпрдпрди рдХрд┐рдпрд╛ рдЬрд╛рддрд╛ рд╣реИ рдЬреЛ Light рдФрд░ Electrical Signals рдХреЗ рдмреАрдЪ Interaction рдХрд░рддреЗ рд╣реИрдВред
рдЖрдЬ Fiber Optic Communication, Smart Sensors, Display Technology рддрдерд╛ Solar Energy Systems рдХреЗ рд╡рд┐рдХрд╛рд╕ рдореЗрдВ Optoelectronic Devices рдХреА рдорд╣рддреНрд╡рдкреВрд░реНрдг рднреВрдорд┐рдХрд╛ рд╣реИред
Definition
Optoelectronic Devices are semiconductor devices that either convert electrical energy into light energy or convert light energy into electrical energy.
рд╡реЗ Semiconductor Devices рдЬреЛ Electrical Energy рдФрд░ Light Energy рдХреЗ рдмреАрдЪ Conversion рдХрд░рддреЗ рд╣реИрдВ, Optoelectronic Devices рдХрд╣рд▓рд╛рддреЗ рд╣реИрдВред
Classification of Optoelectronic Devices
- Light Emitting Devices
- Light Detecting Devices
- Light Energy Conversion Devices
1. Light Emitting Devices
рдпреЗ Devices Electrical Energy рдХреЛ Light Energy рдореЗрдВ рдкрд░рд┐рд╡рд░реНрддрд┐рдд рдХрд░рддреЗ рд╣реИрдВред
Main Example
- LED (Light Emitting Diode)
- Laser Diode
LED (Light Emitting Diode)
LED рдПрдХ Forward Biased PN Junction Device рд╣реИ рдЬреЛ Electroluminescence Principle рдкрд░ рдХрд╛рд░реНрдп рдХрд░рддрд╛ рд╣реИред
Features
- Low Power Consumption
- High Efficiency
- Long Life
- Fast Switching
Applications
- Displays
- Indicators
- Traffic Signals
- Lighting Systems
2. Light Detecting Devices
рдпреЗ Devices Light Energy рдХреЛ Electrical Signal рдореЗрдВ рдкрд░рд┐рд╡рд░реНрддрд┐рдд рдХрд░рддреЗ рд╣реИрдВред
Main Example
- Photodiode
- Phototransistor
Photodiode
Photodiode Reverse Bias рдореЗрдВ рдХрд╛рд░реНрдп рдХрд░рдиреЗ рд╡рд╛рд▓рд╛ Light Sensitive Semiconductor Device рд╣реИред
Working Principle
- Photoelectric Effect
- Electron-Hole Pair Generation
- Photocurrent Production
Applications
- Optical Communication
- Light Sensors
- Smoke Detectors
- Security Systems
3. Light Energy Conversion Devices
рдпреЗ Devices Light Energy рдХреЛ Electrical Power рдореЗрдВ рдкрд░рд┐рд╡рд░реНрддрд┐рдд рдХрд░рддреЗ рд╣реИрдВред
Main Example
- Solar Cell
Solar Cell
Solar Cell Photovoltaic Effect рдкрд░ рдХрд╛рд░реНрдп рдХрд░рддрд╛ рд╣реИ рдФрд░ Solar Energy рдХреЛ Electrical Energy рдореЗрдВ рдкрд░рд┐рд╡рд░реНрддрд┐рдд рдХрд░рддрд╛ рд╣реИред
Features
- Renewable Energy Source
- Environment Friendly
- Long Operating Life
- Low Maintenance
Applications
- Solar Power Plants
- Satellites
- Street Lights
- Residential Solar Systems
Laser Diode
Laser Diode рдПрдХ Semiconductor Device рд╣реИ рдЬреЛ Coherent Light рдЙрддреНрдкрдиреНрди рдХрд░рддрд╛ рд╣реИред
Characteristics
- Monochromatic Light
- High Intensity
- Directional Beam
- Coherent Radiation
Applications
- Fiber Optic Communication
- Barcode Scanners
- CD/DVD Drives
- Medical Equipment
Phototransistor
Phototransistor рдПрдХ Light Sensitive Transistor рд╣реИ рдЬрд┐рд╕рдХреА Current Gain Photodiode рдХреА рддреБрд▓рдирд╛ рдореЗрдВ рдЕрдзрд┐рдХ рд╣реЛрддреА рд╣реИред
Applications
- Light Detection Systems
- Automatic Switching
- Object Detection
- Industrial Automation
Comparison of Optoelectronic Devices
| Device | Input | Output |
|---|---|---|
| LED | Electrical Energy | Light Energy |
| Photodiode | Light Energy | Electrical Signal |
| Solar Cell | Light Energy | Electrical Power |
| Laser Diode | Electrical Energy | Laser Light |
Advantages of Optoelectronic Devices
- High Speed Operation
- Low Power Consumption
- Compact Size
- High Reliability
- Long Life
- Excellent Performance
Applications of Optoelectronics
- Fiber Optic Communication
- Medical Electronics
- Industrial Automation
- Smart Sensors
- Display Technology
- Renewable Energy Systems
- Defense Electronics
- Consumer Electronics
Industrial Importance
- Communication Industry
- Electronics Industry
- Medical Equipment Industry
- Automation Industry
- Renewable Energy Industry
- Defense Industry
Viva Questions
- Optoelectronic Device рдХреНрдпрд╛ рд╣реИ?
- LED рдХрд┐рд╕ Principle рдкрд░ рдХрд╛рд░реНрдп рдХрд░рддреА рд╣реИ?
- Photodiode рдХрд┐рд╕ Principle рдкрд░ рдХрд╛рд░реНрдп рдХрд░рддрд╛ рд╣реИ?
- Solar Cell рдХрд┐рд╕ Principle рдкрд░ рдХрд╛рд░реНрдп рдХрд░рддрд╛ рд╣реИ?
- Laser Diode рдХреНрдпрд╛ рд╣реИ?
- Phototransistor рдХреНрдпрд╛ рд╣реИ?
- Optoelectronics рдХреНрдпрд╛ рд╣реИ?
- LED рдФрд░ Photodiode рдореЗрдВ рдЕрдВрддрд░ рдмрддрд╛рдЗрдПред
- Solar Cell рдХреЗ рдЕрдиреБрдкреНрд░рдпреЛрдЧ рд▓рд┐рдЦрд┐рдПред
- Fiber Optic Communication рдореЗрдВ Optoelectronic Devices рдХрд╛ рдХреНрдпрд╛ рдорд╣рддреНрд╡ рд╣реИ?
Exam Oriented Important Questions
- Optoelectronic Devices рдХрд╛ рд╡рд░реНрдЧреАрдХрд░рдг рд╕рдордЭрд╛рдЗрдПред
- LED, Photodiode рддрдерд╛ Solar Cell рдХреА рддреБрд▓рдирд╛ рдХреАрдЬрд┐рдПред
- Photodiode рдХрд╛ рдХрд╛рд░реНрдп рд╕рд┐рджреНрдзрд╛рдВрдд рд╕рдордЭрд╛рдЗрдПред
- Solar Cell рдХрд╛ рдирд┐рд░реНрдорд╛рдг рдПрд╡рдВ рдХрд╛рд░реНрдп рд╕рд┐рджреНрдзрд╛рдВрдд рд╕рдордЭрд╛рдЗрдПред
- Laser Diode рдкрд░ рд╕рдВрдХреНрд╖рд┐рдкреНрдд рдЯрд┐рдкреНрдкрдгреА рд▓рд┐рдЦрд┐рдПред
- Optoelectronic Devices рдХреЗ рдЕрдиреБрдкреНрд░рдпреЛрдЧ рд▓рд┐рдЦрд┐рдПред
- Optoelectronics рдХрд╛ рдФрджреНрдпреЛрдЧрд┐рдХ рдорд╣рддреНрд╡ рд╕реНрдкрд╖реНрдЯ рдХреАрдЬрд┐рдПред
- Modern Communication Systems рдореЗрдВ Optoelectronic Devices рдХреА рднреВрдорд┐рдХрд╛ рд╕рдордЭрд╛рдЗрдПред
Conclusion
Optoelectronic Devices рдЖрдзреБрдирд┐рдХ Electronics рдПрд╡рдВ Communication Technology рдХрд╛ рдорд╣рддреНрд╡рдкреВрд░реНрдг рднрд╛рдЧ рд╣реИрдВред LED, Photodiode, Solar Cell рддрдерд╛ Laser Diode рдЬреИрд╕реЗ Devices рдиреЗ Display Systems, Optical Communication рддрдерд╛ Renewable Energy рдХреЗ рдХреНрд╖реЗрддреНрд░ рдореЗрдВ рдХреНрд░рд╛рдВрддрд┐рдХрд╛рд░реА рдкрд░рд┐рд╡рд░реНрддрди рдХрд┐рдП рд╣реИрдВред рднрд╡рд┐рд╖реНрдп рдХреА Smart Technologies рдореЗрдВ рдЗрди Devices рдХреА рднреВрдорд┐рдХрд╛ рдФрд░ рдЕрдзрд┐рдХ рдорд╣рддреНрд╡рдкреВрд░реНрдг рд╣реЛрдЧреАред
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