title: [The alignment of the optical system for 216 coude focus echelle spectrometer].
abstract: This paper gives a brief introduction about the structure of the echelle spectrometer which was installed at coude focus of the chinese 2. 16 meter astronomical telescope. According to the design requirment of this echelle spectrometer, the main points and steps of alignment of optical system are analysed. Authors work out a practical alignment scheme in which the fewest auxiliary tools are used.
authors.affiliation: Nanjing Astronomical Instrument Research Center, 210042 Nanjing.
authors.forename: Y
authors.initials: Y
authors.lastname: Zhu
authors.forename: J
authors.initials: J
authors.lastname: Pan