How does the alternate switching affect photon density? If it has no effect, can it be used to reduce power consumption at transmission antennas?UltrafastPED said:Since photons can be modeled as point particles ... the answer is yes.
And if your detector provides an energy spectrum, it will always give the energy for one of these photons.
sugeet said:This question is absurd, if the photons emitted have wavelength of 2 meters, then we assume that source can emit only 2meters(wavelegth) photons. Its not like in shorter time shorter wavelengths come out and in longer time longer one`s come out, radiation is discreet!
We must also understand how photons are produced, they are generally through de-excitation of electrons in energy levels, however only visible photons can be produced that way, for wavelengths of 2 meters(VHF-range), they use other methods, but photons are discreet and the wavelength output does not depend on the on/off time. The delta-t, will affect only the spectral width.
I hope it helped.
user3 said:Suppose you have a source of light that emits light with a wavelength of 2 meters, and you set the device to be turned on and switched off alternately. You also set it so that each interval the device is turned on is only long enough for 1 meter to be emitted (1/2 a wavelength). Do you ever observe any photons?
DrDu said:And, btw, a photon does not need to have a definite frequency.
user3 said:It's the first time that I have been told that. How is that? What about this E = h f ?
Please elaborate
The energy of a photon is directly proportional to its frequency, and since wavelength and frequency are inversely related, the energy of a photon is also inversely proportional to its wavelength. This means that shorter wavelengths have higher energy photons and longer wavelengths have lower energy photons.
Light waves are measured in terms of their wavelength, which is typically measured in nanometers (nm). Photons, on the other hand, are measured in terms of their energy, which is typically measured in electron volts (eV) or joules (J).
The electromagnetic spectrum is the range of all possible frequencies of electromagnetic radiation. Light waves and their respective photons fall within the visible spectrum, which ranges from approximately 400nm (violet) to 700nm (red). This spectrum also includes other forms of electromagnetic radiation such as radio waves, microwaves, infrared, ultraviolet, X-rays, and gamma rays.
When light waves encounter matter, they can either be transmitted, reflected, absorbed, or scattered. The behavior of photons is determined by their energy and the properties of the matter they interact with. For example, higher energy photons are more likely to be absorbed by matter, while lower energy photons are more likely to be transmitted or scattered.
Yes, light waves and photons can have different colors. The color of light is determined by its wavelength, and since different wavelengths correspond to different energies, photons of different colors will have different energies as well. For example, blue light has a shorter wavelength and higher energy compared to red light.