Astronomy and Astrophysics – Astronomy
Scientific paper
Sep 2001
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2001pabei..19..331l&link_type=abstract
Progress in Astronomy, Vol. 19, No. 3, p. 331 - 335 (2001)
Astronomy and Astrophysics
Astronomy
Astronomical Instruments, Birefringent Filters, Sun: Magnetic Field
Scientific paper
Since 1960s, Nanjing Astronomical Instrument Research center of CAS have been developing the birefringent filters for China solar observatories, the most famous one in the world is the 0.15Å(0.12Å)/5324Å(4861Å) filter for the 35cm Solar Magnetic Field Telescope of the Huairou Solar Station of Beijing Observatory. The big success in the field of Lyot filter has been proved by the international solar physics circle, since 1988, Japanese and Korean astronomers have been paying a lot of orders for making Lyot filters from China, up to now we have exported 11 sets of such sophisticated optical instruments, they have been used for routine solar observations in the observatories and planetaria in the two countries. We also begin to repair old Lyot filters made by Germany and France from foreign countries, as India and Germany.
Li Ting
Lu Haitian
Mao Weijun
Zhu Yong
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