IOM 2020, Експеримент — Задача 4

Answer Sheet

Внимание: Бележка към темата

The source is the experimental-round answer sheet with the official answers overlaid in red; the task description with the experiment setup (videos) is not in the archive, and the answer-sheet pictures are available only with the answers drawn on them.

Условие

Q.4 a) What property of the smartphone screen is associated with "switching" between images? Give your answer in English.

Q 4 b) What characteristic of this property can you determine? Give your answer in English.

Q 4 c) Is it possible to depict this characteristic in the figure? And if possible, draw it.

Отговори

Решение

Experimental data for second harmonic generation.
KDP 0.5 cmKDP 2.0 cmKDP 4.0 cm
First harmonic Power, WattsSecond harmonic Power, WattsFirst harmonic Power, WattsSecond harmonic Power, WattsFirst harmonic Power, WattsSecond harmonic Power, Watts
110400.80166623.72534131.902
208502.5172017035.3159905.867
4023010.11136980126.11258026.88
7490032.1464740390.22294084.08
9320054.098290056937210240.2
12680097.89108400105054780565.9
147200131.11274001387813501157
165100169.71512001977977301574
171700184.216740023881163002319
17750026971380003224
1530004127
1554004331
Experimental data for third harmonic generation.
First harmonic Power, WattsThird harmonic Power, WattsSecond harmonic Power, WattsThird harmonic Power, Watts
77680.41479.01
129501.5432.830.13
260109.2667.851.41
4089030.771384123.9
5831070.12182217.3
76790110.93000318.9
988302104546557
117900265.54913577.8
137000412.95550678.3
154600502.8
162900685.1
166200676.7

Оригинал в Архива: exp.pdf