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Chin. Opt. Lett.
Research Highlights
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Method of evaluation of a mirror surface figure based on frequency domain and its application for the Giant Steerable Science Mirror of the Thirty Meter Telescope

We propose a sub-aperture stitching algorithm based on a frequency domain that can be denoted as a power spectral density (PSD). Our algorithm is verified by the experimental data obtained from measuring a \phi 1.23 m mirror at the Changchun Institute of Optics, Fine Mechanics and Physics. Then, we apply it to the Great Steering Science Mirror (GSSM) of the Thirty Meter Telescope (TMT) with the si...
Radiography of a K\alpha X-ray source generated through ultrahigh picosecond laser–nanostructure target interaction

Laser-driven ultrafast X-ray sources are widely used for diagnostic radiography. However, there is a large divergence of fast electrons when they are generated by an intense short-pulse laser interacting with a foil target. We design a nanowire array target to achieve a more compact point X-ray source. Fast electrons are confined and guided by the nanowire array structure in order to generate a Kα...
Rapid fabrication of terahertz lens via three-dimensional printing technology

We design a plano-convex lens working in the terahertz (THz) frequency range and fabricate it using threedimensional (3D) printing technology. A 3D field scanner is used to measure its focal properties, and the results agree well with the numerical simulations. The refractive index and absorption coefficient measurements via THz time-domain spectroscopy (THz-TDS) reveal that the lens material is h...
Diode-pumped Yb:SSO chirped pulse amplifier with 1 ps pulse duration

We demonstrate a diode-pumped picosecond Yb-doped silicate Yb3+:Sc2SiO5 (Yb:SSO) chirped pulse amplifier. The seed source with a pulse width of 220 fs is a diode-pumped Yb:KGW femtosecond oscillator. A single chirped volume Bragg grating is employed both as a pulse stretcher and as a compressor to improve the compactness of the system. Stretched pulse is amplified using a diode-pumped Yb:SSO regen...
Announcements
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COL cover story: Novel Evaluation method of surface figure for large aperture reflecting mirror [17/04/2015]

  The thirty meter telescope (TMT) Project is an international partnership among USA, Canada, Japan, India, China as well as other top R&D nations. The sensitivity and the spatial resolution of telescope will be improved to by fa...
COL cover story: Small-spot X-ray irradiation from metal nanowire target [31/03/2015]

  In 1901, Wilhelm R?ntgen received the first Nobel Prize in Physics for his discovery of X-rays. Nowadays, X-ray has been commonly used in medical, industrial detection, security inspection, scientific research, etc. Recently, with ...
COL cover story: 3D printed THz Plano-Convex Lens [24/03/2015]

  As one of the leading technologies in manufacturing, 3D printing, also known as additive manufacturing (AM), is based on additive processes, in which successive layers of material are laid down under computer control. 3D printing c...
Call for Papers: Multiphoton Processes Special Issue in Chinese Optics Letters [19/01/2015]

Guest Editors Zhizhan Xu, Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences Ruxin Li, Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences   SUBMISSION DEADLINE: 1st March, ...
COL cover story: Novel Laser Energy Gain Media Capable of 100-Thousand-Time Amplification [07/01/2015]

  In some areas such as micromachining and particle acceleration, lasers with high power or high energy are usually required. However, oscillators usually work in a low-energy state for the generation of high quality beam. Laser beam...
Call for Papers for the 10th National Conference on Laser Technology and Optoelectronics and the High-End Forum on Chinese Optoelectronic Industry and Technology [19/12/2014]

The 10th NationalConference on Laser Technology and Optoelectronics and the High-End Forum on ChineseOptoelectronic Industry and Technology will be held by the Chinese Laser Press duringMarch 14th-18th, 2015. The Laser World of Photo...
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