Effect of particle contamination of objective lens in a DVD-ROM drive on laser diode power and photo diode RF signal

Engineering

• Photodiode 100%
• Drives 66%
• Contamination 50%
• Objective Lens 33%
• Surfaces 33%
• Lenses 33%
• Amplitudes 16%
• Optical Disk 16%
• Storage Device 16%
• Laser Power 16%
• Air Flow 16%
• Error 16%
• High Density 16%
• Generates 16%

Physics

• Particle 66%
• Semiconductor Laser 33%
• Memory 33%
• Area 33%
• Amplitudes 16%
• Vibration 16%
• Optical Disk 16%
• Air Flow 16%
• Increasing 16%
• Rotation 16%
• Air 16%