Маркварт, А. А. Анализ поправок к постоянным распространения в изогнутом многомодовом параболическом оптическом волокне = An analysis of corrections to the propagation constants of a multimode parabolic optical fiber under bending / А. А. Маркварт, Л. Б. Лиокумович, Н. А. Ушаков. — 1 файл (405 Кб). — DOI 10.18721/JPM.14209. — Текст: электронный // Научно-технические ведомости Санкт-Петербургского государственного политехнического университета. Сер.: Физико-математические науки. – 2021. – С. 104-117. — Загл. с титул. экрана. — Свободный доступ из сети Интернет (чтение, печать, копирование). — <URL:http://elib.spbstu.ru/dl/2/j21-409.pdf>.
Period
|
Read
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Print
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Copy
|
Open
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Total
|
Year 2021
|
Quarter 3
|
September
|
4
|
0
|
6
|
0
|
10
|
Quarter 4
|
October
|
5
|
0
|
1
|
0
|
6
|
November
|
1
|
0
|
0
|
0
|
1
|
December
|
0
|
0
|
2
|
0
|
2
|
Year 2022
|
Quarter 1
|
January
|
4
|
0
|
3
|
0
|
7
|
February
|
2
|
0
|
2
|
0
|
4
|
March
|
5
|
0
|
3
|
0
|
8
|
Quarter 2
|
April
|
1
|
0
|
0
|
0
|
1
|
May
|
1
|
0
|
5
|
0
|
6
|
June
|
3
|
0
|
9
|
0
|
12
|
Quarter 3
|
July
|
4
|
0
|
3
|
0
|
7
|
August
|
3
|
0
|
0
|
0
|
3
|
September
|
1
|
0
|
2
|
0
|
3
|
Quarter 4
|
October
|
1
|
0
|
2
|
0
|
3
|
November
|
3
|
0
|
2
|
0
|
5
|
December
|
2
|
0
|
4
|
0
|
6
|
Year 2023
|
Quarter 1
|
January
|
1
|
0
|
6
|
0
|
7
|
February
|
3
|
0
|
11
|
0
|
14
|
March
|
1
|
0
|
7
|
0
|
8
|
Quarter 2
|
April
|
3
|
0
|
2
|
0
|
5
|
May
|
2
|
0
|
4
|
0
|
6
|
June
|
0
|
0
|
2
|
0
|
2
|
Quarter 3
|
July
|
1
|
0
|
2
|
0
|
3
|
August
|
1
|
0
|
2
|
0
|
3
|
September
|
2
|
0
|
1
|
0
|
3
|
Quarter 4
|
October
|
1
|
0
|
4
|
0
|
5
|
November
|
4
|
0
|
4
|
0
|
8
|
December
|
2
|
0
|
1
|
0
|
3
|
Year 2024
|
Quarter 1
|
January
|
2
|
0
|
3
|
0
|
5
|
February
|
1
|
0
|
3
|
0
|
4
|
March
|
1
|
0
|
3
|
0
|
4
|
Quarter 2
|
April
|
4
|
0
|
8
|
0
|
12
|
May
|
0
|
0
|
1
|
0
|
1
|
Total
|
69
|
0
|
108
|
0
|
177
|