OPO

OPO is an abbreviation for:

  • OPO Oeschger AG, a Swiss trading company, based in Kloten
  • Optical parametric oscillator, consisting essentially of an optically nonlinear crystal, for example, beta- barium borate ( BBO ), in an optical resonator,
  • Ovamboland People's Organization, Ovamboland People's Organization, was a party in Namibia and is directly represent the forerunner of today's South West Africa People 's Organization (SWAPO )
  • Porto Airport, an international airport in the north of Portugal, near the city of Porto and the second largest in the country after the IATA code

OPO as distinguishing signs on license plate:

  • Poland: powiat Opolski in the Opole Voivodeship
  • Disambiguation
  • Abbreviation
Opole County
622225
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