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CAS IR Grid
机构
理论物理研究所 [4]
长春光学精密机械与物... [2]
中国科学院大学 [1]
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期刊论文 [6]
会议论文 [2]
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2021 [1]
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Physics [4]
optics [1]
physics, a... [1]
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The Gravitational-wave physics II: Progress
期刊论文
OAI收割
SCIENCE CHINA-PHYSICS MECHANICS & ASTRONOMY, 2021, 卷号: 64, 期号: 12, 页码: 120401
作者:
Bian, Ligong
;
Cai, Rong-Gen
;
Cao, Shuo
;
Cao, Zhoujian
;
Gao, He
  |  
收藏
  |  
浏览/下载:34/0
  |  
提交时间:2023/01/16
PULSAR TIMING ARRAY
PRIMORDIAL BLACK-HOLES
ELECTROWEAK PHASE-TRANSITION
GAMMA-RAY BURSTS
FILTER-BASED STABILIZATION
LARGE-SCALE STRUCTURE
SOLAR-SYSTEM
BUBBLE NUCLEATION
COSMIC CURVATURE
HUBBLE CONSTANT
Minimal two-spheres with constant curvature in the complex hyperquadric
期刊论文
iSwitch采集
Journal de mathematiques pures et appliquees, 2016, 卷号: 106, 期号: 3, 页码: 453-476
作者:
Peng, Chiakuei
;
Wang, Jun
;
Xu, Xiaowei
收藏
  |  
浏览/下载:39/0
  |  
提交时间:2019/05/09
Minimal two-spheres
Constant curvature
Kahler angle
Totally geodesic
Slow axis collimation lens with variable curvature radius for semiconductor laser bars
期刊论文
OAI收割
optics and laser technology, 2016, 卷号: 77, 页码: 1-5
作者:
Xiong, Ling-Ling
;
Cai, Lei
;
Zheng, Yan-Fang
;
Liu, Hui
;
Zhang, Pu
收藏
  |  
浏览/下载:39/0
  |  
提交时间:2016/01/11
Semiconductor laser
Variable curvature radius
Slow axis collimation lens
Constant phase front
Transmission angle
The effect of different observational data on the constraints of cosmological parameters
期刊论文
OAI收割
MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY, 2013, 卷号: 430, 期号: 4, 页码: 3142-3154
Gong, YG
;
Gao, Q
;
Zhu, ZH
收藏
  |  
浏览/下载:18/0
  |  
提交时间:2014/04/25
BARYON ACOUSTIC-OSCILLATIONS
HUBBLE-SPACE-TELESCOPE
SUPERNOVA LEGACY SURVEY
DARK ENERGY
IA SUPERNOVAE
CONSTANT
CURVATURE
GRAVITY
MATTER
Observational constraint on dynamical evolution of dark energy
期刊论文
OAI收割
JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS, 2010, 期号: 1, 页码: -
作者:
Cai, Rong-Gen
;
Chen, Yun
;
Zhu, Zong-Hong
;
Gong, Yungui
;
Gong, YG , Chongqing Univ Posts & Telecommun, Coll Math & Phys, Chongqing 400065, Peoples R China
  |  
收藏
  |  
浏览/下载:15/0
  |  
提交时间:2012/08/02
Hubble-space-telescope
Cosmological Constant
Ia Supernovae
1/r Gravity
Redshift
Universe
Acceleration
Matter
Quintessence
Curvature
Alignment of off-axis asphere and compensator with four poles (EI CONFERENCE)
会议论文
OAI收割
4th International Symposium on Advanced Optical Manufacturing and Testing Technologies: Optical Test and Measurement Technology and Equipment, November 19, 2008 - November 21, 2008, Chengdu, China
作者:
Li J.
;
Chen Y.
;
Li J.
;
Li J.
;
Wang P.
收藏
  |  
浏览/下载:59/0
  |  
提交时间:2013/03/25
Aspheres are utilized widely thanks to the development of optical design
manufacture and testing. Compensators are usually necessary when aspheres are under test. The alignment of aspheres and their compensators is a risk because it's tough to check whether the compensators work in right way. A new method of alignment with four poles is put forward in this paper. Optical interval error can be tight while it is quite important due to direct influence on central curvature
conic constant and high order coefficients of aspherical surface. A modified on-axis Foucault apparatus is set up since it makes the optical axis visible and helps to control the error of off-axis amount. Some small holes are drilled in the metallic cell of the compensator so that the ends of poles can be stably relied on in order to increase operational repeatability. The method has been carried out practically and it matches the measurement result given by a set of theodolites. 2009 SPIE.
Super-acceleration on the brane through energy flow from the bulk
期刊论文
OAI收割
JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS, 2006, 期号: 3, 页码: -
作者:
Wang, B
;
Cai, RG
;
Gong, YG
;
Cai, RG , Chinese Acad Sci, Inst Theoret Phys, POB 2735, Beijing 100080, Peoples R China
  |  
收藏
  |  
浏览/下载:26/0
  |  
提交时间:2012/08/02
Holographic Dark Energy
Cosmological Constant
Modified Gravity
Inverse Powers
1/r Gravity
Model
Constraints
Universe
Scalar
Curvature
Recent progress on asphere manufacturing and testing at CIOM (EI CONFERENCE)
会议论文
OAI收割
Advanced Optical Manufacturing and Testing Technology 2000, November 1, 2000 - November 3, 2000, Chengdu, China
作者:
收藏
  |  
浏览/下载:22/0
  |  
提交时间:2013/03/25
The manufacturing procedure of a 500 mm in diameter
f/2 hyperbolic primary mirror based on Computer-Controlled Polishing is introduced in detail. The mirror was finally polished to the shape accuracy of 13 nm rms and the surface roughness of 2 nm Ra. Testing methods and data analysis for different stages ranging from grinding to polishing are discussed. Some critical factors affecting the efficiency and accuracy of the grinding/polishing procedure are summarized. In addition
the preliminary work to make large off-axis asphere mirrors is presented. The difficulties in polishing and testing for both circular aperture and rectangular aperture mirrors are previewed
and a possible solution is given. To control the geometrical parameters such as radius of curvature and conic constant
a new profiler has been built
and it has proven very useful to improve the grinding efficiency. Finally
the manufacturing of small aspheres using deterministic grinding tool is also introduced. The fine grinding procedure of LOH's asphere grinding machine is presented.