0
1. Population inversion should be achieved.
2. Stimulated emission should be predominant over spontaneous emission
Wiki User
∙ 14y ago
Add your answer:
Earn +20 pts
Why Laser action is sometimes called inverted absorption?
utr
How many colors are in a laser beam?
A laser, by its very action of amplification of light, tends to be monochromatic. (one colour). But lasers may be made in several different colours depending on the materials used.
What are the conditions for laser?
Two most important :- 1. The beam should be perfectly coherent and, 2. Amplification and Stimulation should be at high level
What is a class 1 laser?
A class 1 laser - is '...safe under all conditions of normal use...' This means it's okay to view the beam with the naked eye (although not recommended !). Class 1 lasers are found in such devices as CD players & DVD players.
What type of laser is a thor laser?
Low level laser also referred to as a cold laser.
Why population inversion is needed in laser action?
population inversion is very very important for laser action...... i know you have talant to explain it....
Why there is a need of optical resonator in laser?
to increase the wavelength of the beam and increase the laser action
What education is required to learn how to do laser shows?
There is a very specific type of education which is required to learn how to do laser shows. One must take several certification courses on laser shows before being able to do them.
Why we can't use silicon and germanium in laser diode?
becoz Si and Ge are indirect bandgap semiconductors. for lasing action direct bandgap semiconductors are required of the type In Ga As P
What are the conditions required to set the curd?
exrtreme cold conditions are required to set the curd
Why Laser action is sometimes called inverted absorption?
utr
Is laser HELP acNE?
Light treatment can improve the conditions of acne
What are some medical conditions treated with low level laser therapy?
"Medical conditions treated with low level laser therapy are sinus pain, back sprains or strains, knee sprains or strains. This type of therapy is also used to treat skin conditions."
How do you find the dimension of a building?
You measure them, using a laser sight, if required.
What is glaucoma laser surgery?
Glaucoma laser surgery is a medical procedure that uses laser technology to treat glaucoma, a group of eye conditions that can lead to optic nerve damage and vision loss.
What type of accreditation is required of laser clinics?
The accreditation required of laser clinics are of three different types and through three different organizations. For example, NCLC is for hair removal. However, accreditation or certification is only required by law in the states of Texas and Florida.
What are the advantages of cold laser treatments?
One advantage of cold laser treatments is that they are non-invasive and recovery time is minimal. Another advantage of cold laser treatments is that the patient is not required to take any medication.
