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Description
Mind Map by Milana Crawley, updated more than 1 year ago
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Created by Milana Crawley
almost 4 years ago
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Light and Optical Systems Final Project
- History of Light
- Phythagoras
- Time: 6th century
- Discovery, Theory or Idea: Light consisted of beams
and these beams came from a person's eyes in
straight lines
- Discovery, Theory or Idea: Light consisted of beams
and these beams came from a person's eyes in
straight lines
- Time: 6th century
- Euclid
- Time: 1st century AD
- Discovery, Theory or Idea: discovered equal angles of reflection
- When you shine a beam of light onto a flat mirror, the angle
between the incoming beam and mirror is equal to the angle
between the reflected beam and mirror
- When you shine a beam of light onto a flat mirror, the angle
between the incoming beam and mirror is equal to the angle
between the reflected beam and mirror
- Discovery, Theory or Idea: discovered equal angles of reflection
- Time: 1st century AD
- Al-Haytham
- Time: A.D 1000
- Discovery, Theory or Idea: First one to
accurately describe how vision works. He
showed that light bounces off objects and
then travels to the eyes. As soon as this
theory came along, Pythagoras' theory was
abandoned.
- Discovery, Theory or Idea: First one to
accurately describe how vision works. He
showed that light bounces off objects and
then travels to the eyes. As soon as this
theory came along, Pythagoras' theory was
abandoned.
- Time: A.D 1000
- Sir Issac Newton
- Time: 1666
- Discovery, Theory or Idea: By shining light
through a prism, Newton showed that white
light is actually a mixture of different colors
of light
- Discovery, Theory or Idea: By shining light
through a prism, Newton showed that white
light is actually a mixture of different colors
of light
- Time: 1666
- Alberta A. Michaelson
- Time
- Discovery, Theory or Idea: He
discovered the speed of light using
a mirror/mountain experiment.
Speed=distance/time
- Discovery, Theory or Idea: He
discovered the speed of light using
a mirror/mountain experiment.
Speed=distance/time
- Time
- Phythagoras
- Properties of Light
- Light Travels in Straight Lines
- Light can be Reflected
- Light can Bend (Refract)
- Light is a Form of Energy
- Light is a Form of Energy
- Light can Bend (Refract)
- Light can be Reflected
- Light Travels in Straight Lines
- Natural Light Sources
- Things like the sun, starts, the moon. The sun gives off light and
heat from the radiation,
- Things like the sun, starts, the moon. The sun gives off light and
heat from the radiation,
- Artificial Light Sources
- Things like lightbulb and lamps
- Things like lightbulb and lamps
- Luminous things give off light, the light bounces off
of object and hit our eyes
- Optical Instruments
- Optical Instruments are devices that process light waves. They enhance
images, like microscopes, telescopes, etc.
- Same thing with near sighted glasses, they enhance the world around you for you to be able to see far away.
- Same thing with near sighted glasses, they enhance the world around you for you to be able to see far away.
- Optical Instruments are devices that process light waves. They enhance
images, like microscopes, telescopes, etc.
- Transparent
- Materials that can transmit light; light travels straight
through them
- Materials that can transmit light; light travels straight
through them
- Translucent
- Materials that allow some light to pass
through, but not all.
- Opaque
- Materials that don't allow any light to pass through.
- Materials that don't allow any light to pass through.
- Opaque
- Materials that allow some light to pass
through, but not all.
- The Law of Reflection
- the law of reflection states
that when a ray of light
reflects off a surface, the angle
of incidence is equal to the
angle of reflection
- the law of reflection states
that when a ray of light
reflects off a surface, the angle
of incidence is equal to the
angle of reflection
- Plane Mirrors
- are used as looking glass
- Concave Mirror
- a reflecting
mirror, they
reflect light
inward
- reflect light outwards,
they are not used to
focus light
- light refracts
differently depending
on the density. It can
also change speeds
when going through
water, glass, air, etc.
- double convex lenses have
focal points on both sides of
the lens.
- double concave lenses
are used in beam
expansion, image
reduction, or light
projection applications.
- double concave lenses
are used in beam
expansion, image
reduction, or light
projection applications.
- double convex lenses have
focal points on both sides of
the lens.
- light refracts
differently depending
on the density. It can
also change speeds
when going through
water, glass, air, etc.
- reflect light outwards,
they are not used to
focus light
- a reflecting
mirror, they
reflect light
inward
- Concave Mirror
- are used as looking glass
- Electromagnetic Spectrum
- The electromagnetic spectrum is the range of all
types of EM radiation. Radiation is energy that travels
and spreads out as it goes.
- Human Eye
- Light passes through the front of your eye (the cornea) to
the lens. The cornea and the lens help to focus the light
rays onto the back of the eye (the retina). The cells in the
retina absorb and covert the light to electrochemical
impulses which are transferred along the optic nerve and
then to the brain.
- Light passes through the front of your eye (the cornea) to
the lens. The cornea and the lens help to focus the light
rays onto the back of the eye (the retina). The cells in the
retina absorb and covert the light to electrochemical
impulses which are transferred along the optic nerve and
then to the brain.
- Human Eye
- The electromagnetic spectrum is the range of all
types of EM radiation. Radiation is energy that travels
and spreads out as it goes.
- Traditional Photography
- Requires photographic film (negative) and
photosensitive paper, these photos can fade
over time as the chemicals react and change.
- Digital Photography
- Picture is divided into small elements called pixels, the image quality depends on the number of pixels. These pictures require a CCD.
- Picture is divided into small elements called pixels, the image quality depends on the number of pixels. These pictures require a CCD.
- Digital Photography
- Requires photographic film (negative) and
photosensitive paper, these photos can fade
over time as the chemicals react and change.
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