MAGNETO OPTICAL TRAPPING OF LITHIUM 6 ATOMS

... Fiber Function MOT repumping MOT trapping Imaging Slower Imaging Coupling 75.1% 78% 62 .9% |63 .6% 65 % 62 .5% Table 4.2: Fiber coupling efficiency For Fiber 3, 62 .9% and 63 .6% correspond to low field and ... time of flight(TOF) measurement[ 26] The steadystate temperature of atoms in a MOT is expected to be comparable to the temperature for optical molasses This combination of...

Ngày tải lên: 02/10/2015, 17:14

... Whereas optical < /b> and < /b> MO spectra are often swamped by too many transitions between occupied and < /b> empty valence states, x-ray excitations have the advantage that the core state has a purely local wave ... ELECTRONIC < /b> STRUCTURE < /b> AND < /b> MAGNETO-< /b> OPTICAL < /b> PROPERTIES < /b> OF < /b> SOLIDS < /b> TLFeBOOK This page intentionally left blank TLFeBOOK...

Ngày tải lên: 17/03/2014, 14:51

Ngày tải lên: 13/05/2014, 09:07

... SLM By observing the reflection off only the central pixel of the SLM, we map the position of the center of the SLM in terms of the pixel of the camera Secondly, we want to map the distance between ... of the signal for the reflection off the flat-top pattern and the local region of the laser output The noise found in the reflection off the fl...

Ngày tải lên: 30/09/2015, 10:13

... MAGNETO- TRANSPORT, MAGNETO- OPTICAL AND DYNAMIC PROPERTIES OF FERROMAGNETIC NANOSTRUCTURES LIU XINMING (M.Eng, HUAZHONG UNIVERSITY OF SCIENCE AND TECHNOLOGY) A THESIS ... of such structures have been reported[59-61] Chapter I Introduction 1.3 Focus of Thesis In this thesis, a comprehensive study of magneto- transport, magneto- optical and dynamic proper...

Ngày tải lên: 10/09/2015, 09:10

... Comparison of Bi and Ce contributions to FR in garnet crystals 106 4.9 Feasibility of application in 1550 nm wideband optical isolators .108 4.10 Summary of the properties of new garnet crystals ... magneto- optical crystals for optical communication Abstract In optical fiber communication system, optical isolators are needed to eliminate the influence of...

Ngày tải lên: 16/09/2015, 17:12

... imaged to the size of 5. 1 µm by our 2/3 magnification telescope Therefore, the expected size of the bright 61 Figure 5. 24: The setup of the iris placed between the telescope lenses and the camera ... another PBS The first PBS cleans up the polarization of the beam, transmitting only the horizontally polarized component of the beam The HWP allows a rotat...

Ngày tải lên: 30/09/2015, 10:12

... this choice of initial phase, we recover the flat-top profile at the Fourier Plane exactly if the amplitude profile of the input beam matches the amplitude profile of the inverse FT of the flat-top ... 2008] The first step of this algorithm is to produce the initial guess for the SLM phase modulation This quantity is set to be the argument of the phase pa...

Ngày tải lên: 30/09/2015, 10:13

... is mm the aperture from other optical elements in the beam path 41 Figure 4. 17: Cut across the X axis of the output profiles of the beam shaped with the Error Diffusion Algorithm, and the RMS ... y) = 34 (4. 3.6) We note the use of convolution theorem in the second line of the above equation We assume the pinhole to be spherical with an opening radius rph...

Ngày tải lên: 30/09/2015, 10:13

... xd¯ y (A .3. 3) Therefore, aside from a constant phase shift term e2ikf , the output field is a Fourier Transform of the input field, hence the name of Fourier imaging in this case For the relay ... behind the lens (refer to the right picture of figure A .3) Therefore, the output field is obtained by first propagating the input beam over a distance f , 80 Figure A .3:...

Ngày tải lên: 30/09/2015, 10:13

... coefficient of the trapped LiK molecules in the 2D dynamics of the optical lattice The loss rate due to the reaction is the product of this rate coefficient and the 2D density of the trapped ... and the optical lattice, we obtain: 2 ωz,ol lc,g = = lc,ol ωz,g 8U0 m 2 2U0 mzR = 4π zR 4π w 02 = λ 2 (2. 3. 12) The typical waist size of the beam used i...

Ngày tải lên: 30/09/2015, 10:13

... ease of modifying the potential landscape In fact, the optical potential is formed by the interaction between a laser and the cold gas, and the potential can be tuned by adjusting the shape of the ... and the optical trap [Ashkin et al., 19 86] The optical trap is normally used at the later stage of the experiment due to its ability to trap the atoms...

Ngày tải lên: 30/09/2015, 10:13

... SYNTHESIS OF 5,6,11,12,17,18- HEXAAZATRINAPHTHYLENE NANOWIRES FOR CATHODE MATERIAL IN LITHIUM BATTERY SU JIE (MSc), PKU A THESIS SUBMITTED FOR THE DEGREE OF MASTER OF SCIENCE DEPARTMENT OF ... supervision of Prof Loh Kian Ping in Department of Chemistry, Faculty of Science, National University of Singapore I deeply appreciated Prof Loh for his patient...

Ngày tải lên: 30/09/2015, 10:13

... classes and interviewing namely A study on some major factors affecting English learning of grade ethnic minority students of a mountainous secondary school to help them learn better The study has ... questions will be answered What is the present English learning situation of grade ethnic minority students at Phong Lap secondary...

Ngày tải lên: 07/11/2012, 15:04

... • Adjectives of feeling: cold, hot, hungry, full • Food: noodles, rice, meat, beef, chicken, bread • Drink: milk, coffee, orange juice, lemonade, soda • Vegetables: cabbage, lettuce,beans, ... litre IV.Put the questions for underlined parts in the following sentences 1.They want two bottles of water 2.His sister needs some oranges 3.They would like three apples 4.Miss Nga feels very ... p...

Ngày tải lên: 21/07/2013, 01:26