The second order correlation function for non ideal laser is a measure of the correlation between two photons emitted by a laser. It indicates the probability of the simultaneous detection of two photons at different points in space and time, and is influenced by the laser's imperfections and external factors.
The second order correlation function for non ideal laser is calculated by taking the ratio of the probability of detecting two photons at different points and times, to the product of the probabilities of detecting each photon individually. This ratio is then normalized to account for any imperfections in the laser.
External factors such as temperature, pressure, and fluctuations in the laser's output power can affect the second order correlation function for non ideal laser. Imperfections in the laser's design, including mode competition and non-uniform gain, can also impact the function.
The second order correlation function for non ideal laser provides insight into the coherence and quality of a laser's output. It can also be used to characterize and optimize laser performance, and has applications in fields such as quantum optics and laser spectroscopy.
While external factors and imperfections in the laser design can affect the function, there are techniques that can be used to improve the second order correlation function for non ideal laser. These include temperature and pressure stabilization, as well as careful design and optimization of the laser's components.