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What color spectrum for optical devices is typically used due to its effectiveness on the human eye?
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Difference between active and passive optical component?
Fiber optic couplers can be either active or passive devices. The difference between active and passive couplers is that a passive coupler redistributes the optical signal without optical-to-electrical conversion. Active couplers are electronic devices that split or combine the signal electrically and use fiber optic detectors and sources for input and output.
Is a real image enlarged?
A real image formed by optical devices may be larger or smaller than the object of which it's an image.
How does a optical device work?
Optical devices work by manipulating light to achieve various purposes, such as magnifying images, focusing light, or filtering specific wavelengths. The basic principles behind how optical devices work depend on the specific device and its intended function, but some common principles include: Reflection: Optical devices such as mirrors and lenses manipulate light through reflection. Mirrors reflect light according to the law of reflection, which states that the angle of incidence (the angle at which light strikes the surface) is equal to the angle of reflection (the angle at which light bounces off the surface). Lenses, on the other hand, use curved surfaces to bend and focus light rays. Refraction: Refraction occurs when light passes from one medium to another with a different optical density, causing the light rays to change direction. Optical devices like lenses and prisms utilize refraction to bend and focus light. Lenses, for example, can converge (focus) or diverge light rays depending on their shape and curvature. Diffraction: Diffraction refers to the bending of light waves around obstacles or through narrow openings. Optical devices such as diffraction gratings and optical filters exploit diffraction to manipulate light by separating it into its component wavelengths or by selectively allowing certain wavelengths to pass through. Interference: Interference occurs when light waves interact with each other, leading to the reinforcement or cancellation of specific wave patterns. Optical devices like interferometers utilize interference phenomena to measure distances, detect small changes in position, or analyze the properties of light waves. Polarization: Polarization refers to the orientation of light waves as they propagate through space. Optical devices such as polarizers and waveplates exploit polarization effects to selectively filter or manipulate the orientation of light waves, allowing for applications such as glare reduction, 3D imaging, and optical communications. Overall, optical devices work by harnessing the properties of light, such as reflection, refraction, diffraction, interference, and polarization, to achieve a wide range of functions in various fields, including imaging, communication, spectroscopy, and sensing.
Why can better resolution be achieved with an optical microscope using blue light rather than red light?
because blue light travels further than red light in the spectrum of colours :)
What is the most accurate measuring device?
An atomic clock the most accurate time measuring device. It uses an electronic transition frequency in the optical, ultraviolet, or microwave region of the electromagnetic spectrum of atoms.
What is the part of the electromagnetic spectrum called?
We call that the visible or optical spectrum.
What Japanese company manufactures optical devices?
It depends what kind of optical devices you mean, For instance Meiji Techno manufactures microscopes.
What products are sold at Opticron?
Opticron sell optical devices of many types. Among these optical devices are monoculars, binoculars and telescopes along with tripods and mounts to hold these devices.
What is a optical storage devices?
CD-R
What a example of optical storage devices?
A camera.
What assist aiming on a gun?
Optical devices.
What is the advantage of using a non-Optical telescope over an optical telescope?
See things that don't shine in the visible spectrum.
All electromagnetic radiaton in a optical portionof the electromagnetic spectrum is or has what?
Light
Why do you need optical storage devices?
To store stuff
What are optical devices used in refraction?
it is just an eye
Can you read a barcode?
Barcodes are read by optical devices.
What two optical devices use convex lenses to focus and enlarge images?
An optical microscope or twlescope.
