Fechar
Examples of Non-ionizing Electromagnetic radiation:
Visible Light -
Where does the range lie?
Wavelength between ? nm and ? nm
Photon energies between ? eV and ? eV
Wave-particle Duality:
Electromagnetic radiation exhibits properties of;
1.?
2.?
3.?
The visible spectrum:
Blue light vs Red light
?nm
Wavelength?
Frequency?
Energy?
Wave optics
Standard equation
Quantum Optics (Planck's forumla)
Planck's Constant
Dominance of wave or particle properties:
Low Energy?
High Energy?
Dominance of wave or particle properties:
High Energy?
Nature of light:
Light is a transverse electromagnetic wave, consisting of two variable fields:
1.?
2.?
3.?
Electromagnetic Wave;
Describe
1.?
2.?
Speed of light (c)
Determined by?
Speed of light in vacuum (c) is?
Optical density of a medium:
Characterized by?
Definition of reflection;
1.?
2.?
Laws of reflection
1st Law
Laws of reflection
2nd Law
Definition - Incident Ray
What does this Illustrate?
Types of reflection;
S?
Types of reflection;
D?
Definition - Refraction of light?
Laws of Refraction
1st Law?
Laws of Refraction
2nd Law?
Sin?
Sin
Refraction;
Relation between α and y
Conditions for Total Internal Reflection;
1st
2nd
Result
Endoscope
Describe Optical Fiber Cables
Built?
Optical Density?
Light Beams incidence
Signal
Opthalmoscopy (Funduscopy/Fundoscopy)
Describe
How is it used?
Types
Direct Ophthalmoscopy
How?
Where image forms?
Forms?
Image?
Magnification?
Indirect Ophthalmoscopy
How?
Field of view?
Magnification?
Diabetic retinal screening
Why?
Light absorption
Describe? (Photons)
Law of light absorption
Absorption Spectrum
Beer-Lambert-Bouguer Law
Main absorbing components of tissues?
M?
H?
W?
Laboratory methods based on light absorption:
P?
S?
Pulse Oximetry
What does it measure?
Location?
Source?
Detects?
Calculates?
Pulse Oximetry Operation
How they absorb differently?
Ratio?
Sebumeter
Method for?
Procedure?
Whats measured?
Result Units?
Light Scattering
How interacts?
Photon Transfer + How is light scattering Determined?
General Definition
Turbidimetry & Nephelometry
Used for?
Optical Properties?
Turbidimetry
Measures?
Using?
Concentration?
Clinical Applications?
Nephelometry
Measuring?
Using?
Amount?
Clinical Applications?
UV Rays:
UV Range?
UV rays in medicine, range?
Wavelength compared to visible light?
Photons compared to visible light?
UV Bands
UV A
UV B
UV C
Effects of UV Rays
UVA
UVB
UVC
