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Jimski's user avatar
Jimski
  • Member for 1 year, 2 months
  • Last seen more than a month ago
  • North Korea
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I'm an enthusisat physicist who enjoys experimental pursuit.

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5
Why some laser diodes have angled window?
Jan 18
question
3
Can two laser diodes of the same type and wavelength, be synchronized to emit light in the same phase, while working in a CW mode.?
Dec 4, 2023
question
2
Why some laser diodes have angled window?
Jan 14
question
1
Are there any nonlinear crystals or other transparent materials that can produce anti-Stokes, phase matched, frequency shift of laser light?
Dec 27, 2023
question
1
Has there been any experiment showing that the velocity of light in solids changes in the presence of a magnetic field?
Jan 2
question
1
What is the meaning of a fiber cutoff wavelength when given as a range?
Mar 22
question
1
Why fiber optic Sagnac interferometers don't produce multiple interference fringes
Mar 28
question
1
Which method of laser diode operation is less likely to cause mode hopping: constant current or constant power?
Apr 27
question
1
Why laser output power fluctuates after passing through two 1x2 fiber optic couplers?
Jul 2
question
1
Are there any commercially made optical fibers which are made specifically to have very low microphonic properties for application in interferometry
Jul 7
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13
Postgres 9.5 ON CONFLICT DO SELECT
8
In Postgres, is there a need to lock a row in a table using FOR UPDATE if the query is contained in a transaction with serializable isolation level?
5
Postgres incrementing null value in a column
5
Add mod_mysql, mod_xml and mod_zlib to apache