Viatcheslav Vanyukov

5 Questions 18 Answers 0 Followers

Questions related from Viatcheslav Vanyukov

Where the fifth-order nonlinear optical susceptibility could be improved and applied?

What could be the applications where the presence and control on the fifth-order nonlinear optical susceptibility could be essential or advantageous? Thank you.

20 February 2022 5,729 7 View

How to estimate the initial pulse duration change after tuning the beam wavelength by using OPO/OPA systems?

There is a femtosecond pump beam with a central wavelength of 800 nm, pulse duration of 150fs and repetition rate of 1kHz used to pump the OPO/OPA system with Ti: Sapphire (to get white light) and...

01 September 2020 7,767 3 View

What is the trustworthy nonlinear refractive index of fused silica in femtosecond pulse regime?

Would appreciate for sharing the trustworthy references for measured nonlinear refractive index for fused silica (quartz) for femtosecond laser pulses preferably in the region of 800nm wavelenght...

02 October 2018 9,056 1 View

Are there any tests of materials for saturable absorption?

We have found an appreciable increase (5-10%) of the transmittance (or decrease of absorption) of nanodiamond suspension with increasing the intensity of femtosecond laser pulses by means of...

10 October 2014 9,539 13 View

What are the ways to escape the signal from a substrate in the Z-scan measurements of a film on a substrate?

While measuring by the Z-scan the third order nonlinear susceptibility (3) of a film on a substrate we are getting the signal associated with both a film and a substrate. How to reveal only the...

06 October 2014 8,379 15 View