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Physics
Optics
Measurement and Instrumentation in Optics
Spectroscopy
Basic Concepts
Definition and importance
Types of spectra: Emission, absorption, and continuous spectra
Types of Spectroscopy
Absorption Spectroscopy
Principles of absorption
Beer-Lambert Law
Emission Spectroscopy
Flame emission spectroscopy
Induced emission
Raman Spectroscopy
Raman shift and scattering principles
Applications in molecular characterization
UV-Visible Spectroscopy
Working principles
Applications in chemical analysis
Infrared Spectroscopy
Fourier-transform infrared (FTIR)
Vibrational modes and molecular fingerprinting
Instrumentation in Spectroscopy
Spectrometers
Prisms and diffraction gratings
Monochromators
Detectors
Photomultiplier tubes
Charge-coupled devices (CCDs)
Sample Preparation
Solid, liquid, gas phase considerations
Radiometry and Photometry
Fundamentals
Radiometric vs Photometric measures
Units and standards: Lumens, Watts, Lux
Radiometry
Radiant energy, power, and intensity
Radiant Exitance and Irradiance
Photometry
Human eye response and luminous efficacy
Photometric devices and units
Instruments and Techniques
Radiometers
Photometers
Integration spheres
Calorimeters
Optical Coherence Tomography (OCT)
Principles of OCT
Low-coherence interferometry
Axial and lateral resolution
Types of OCT
Time-domain OCT
Frequency-domain OCT
Spectral-domain OCT
Swept-source OCT
Applications of OCT
Medical imaging: Ophthalmology, dermatology
Industrial inspection and materials characterization
OCT Systems and Components
Light source considerations
Superluminescent diodes (SLDs)
Lasers for OCT
Interferometry techniques
Michelson interferometer
Fiber-based interferometers
Optical Metrology
Precise Measurement of Light
Standard units and traceability
Calibration processes
Instruments Used in Optical Metrology
Interferometers
Laser interferometry
White light interferometry
Microscopes
Metrological microscopes
Focus variation microscopes
Profilometers
Contact and non-contact methods
Applications
Precision engineering and manufacturing
Surface topography and defect detection
Laser-based Measurement Techniques
Laser Doppler Vibrometry
Principles and applications in vibration analysis
Laser Rangefinders
Time-of-flight principles
Applications in surveying and navigation
Holographic Interferometry
Principles of holography
Applications in stress and deformation analysis
Calibration and Standards
Importance of Calibration in Optical Measurements
Ensuring accuracy and reliability
Standards Organizations
National Institute of Standards and Technology (NIST)
International Commission on Illumination (CIE)
Methods of Calibration
Traceability chains
Use of reference standards and calibration services
11. Optical Phenomena
First Page
13. Challenges and Future Directions in Optics