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Why laser beam is narrow straightwhere as light from tube light is blury?
That's one of the properties necessary to consider a source of light as a laser source.The light rays in a laser are manipulated so as to make them coherent.
Why laser produces Gaussian beam?
A laser produces a Gaussian beam because of the diffraction effect of the laser beam passing through an aperture. The electric field distribution of the beam follows a Gaussian shape due to the wave nature of light. This results in a beam that has a bell-shaped intensity profile with a narrower central peak and gradually decreasing intensity towards the edges.
Which of the following produces best quality graphics reproduction in color?
laser printer
How is laser light different from incandescent light?
The intensity of light from most light sources is inversely proportional to the square of the distance from the source. So the intensity two meters from an incandescent lamp is one quarter of the intensity at one meter, and at three meters from the lamp the intensity is one ninth of the intensity at one meter. Laser light ideally has the same intensity at any distance.
Why is the laser beam made of a light of a single colour?
The color of a beam of light is dependent on its wavelength. A laser will appear as one color because all the light being emitted from it is the same wavelength. This is also why lasers and laser pointers always have such a tight beam. By contrast, flashlights (which have much wider beams, and rely on mirrored interiors to amplify the light) have light at a variety of wavelengths, which is why the light is ultimately "colorless".
A laser produces light that?
is coherent
What produces a intense light of a single color?
LASER
What is a device that produces a narrow beam of coherent light?
A Laser.
What is a device that produce coherent light?
The name of the device that produces coherent light is LASER.
What is a device producing a coherent light?
The name of the device that produces coherent light is LASER.
What produces light without excess loss of thermal energy?
Laser emitting diode
What device produces powerful light waves that are the same and all lines up?
Laser
How laser pointers work?
Laser lights have certain characteristics that allow it to seperate from regulare white light. The light is colored because it is organized light. It also contains a specific wavelength which produces the colored light.
What makes up laser light and how is it used?
Laser light is different from ordinary light. Laser light consists of light waves that all have the same wavelength, or color. The waves are coherent, or in step. A laser is a device that produces a narrow beam of coherent light. The word laser comes from a phrase that describes how it works: light amplification by stimulated emission of radiation. Light amplification means that the light is strengthened. Stimulated emission means that the atoms emit light when exposed to electromagnetic radiation.
What is a laser light with holograph?
a laser light with a holograph is a laser light with holograph.
Can a laser be made from a light bulb?
No. Laser light is coherent. Light bulb light is not.
What is the difference between the continuous laser and pulsed laser?
A continuous laser produces a constant wave. A pulsed laser's wave is intermittent.
