anorlunda said:Can you rephrase your question. I don't understand what you are asking.
anorlunda said:No, there is no electromagnetic wave without photons. You seem to think that they are two different things. They are not.
You're misinterpreting things. A photon is electromagnetic radiation itself. EM waves, like all waves, carry energy from one place to another. The energy is always transferred by EM waves in small packets, called photons. You can say that they are the fundamental constituent of light. You don't need a "transmitter" substance for light.Edward Wij said:In transmitting antenna. Photons are transmitted.. and they travel as electromagnetic wave.. and receive as photons.. so particles are only for detections.. right? but in QFT.. particles don't seem to be part of the detection process.. but fields
The study of photon transmitters and receiving antennas is important for understanding how electromagnetic waves, specifically photons, are transmitted and received in various technologies such as wireless communication, satellite communication, and remote sensing. This knowledge is essential for developing and improving these technologies for practical use.
Photon transmitters, also known as light sources, work by converting electrical energy into photons. This is typically achieved through processes such as electric current flowing through a wire or a chemical reaction. The photons are then emitted into space as electromagnetic waves at various frequencies depending on the source.
Receiving antennas, also known as receivers, are devices that capture and convert incoming electromagnetic waves into electrical signals. They work by using conductive elements, such as metal rods or wires, to absorb the photons in the electromagnetic waves and convert them into electrical current. The current is then amplified and processed to produce a usable signal.
Photon transmitters and receiving antennas interact through the emission and capture of electromagnetic waves. The transmitter emits photons in the form of electromagnetic waves, which travel through space and are then received by the antenna. The antenna then converts the waves into electrical signals, which can be processed and used for various purposes.
The efficiency of photon transmitters and receiving antennas can be affected by various factors such as the design and materials used, the frequency of the electromagnetic waves, and external factors like interference and obstacles. Additionally, the distance between the transmitter and receiver can also impact the efficiency of the transmission and reception of photons.