| Project/Area Number |
26887033
|
|---|
| Research Category |
Grant-in-Aid for Research Activity Start-up
|
| Allocation Type | Single-year Grants |
|---|
| Research Field |
Atomic/Molecular/Quantum electronics
|
|---|
| Research Institution | Chuo University |
|---|
Principal Investigator |
|
|---|
| Project Period (FY) |
2014-08-29 – 2016-03-31
|
| Project Status |
Completed (Fiscal Year 2015)
|
| Budget Amount *help |
¥3,900,000 (Direct Cost: ¥3,000,000、Indirect Cost: ¥900,000)
Fiscal Year 2015: ¥1,950,000 (Direct Cost: ¥1,500,000、Indirect Cost: ¥450,000)
Fiscal Year 2014: ¥1,950,000 (Direct Cost: ¥1,500,000、Indirect Cost: ¥450,000)
|
|---|
| Keywords | 冷却原子 / 近接場 / 光格子 / 原子輸送 / 高空間分解イメージング |
|---|
| Outline of Final Research Achievements |
The aim of this research was to construct a nano-lattice in which ultracold atoms are located with the separation of nanometers using a near-field light around a nano-scale structure. First, we calculated the electromagnetic field distribution around a structure illuminated by a plane wave via FDTD method. In particular, we found that a large electric field gradient emerges for the structure with the size less than 20 nm and higher order atom-light interaction can not be neglected. Second, we successfully transferred cold atoms trapped in a near-infrared laser to the region close to a glass cell surface by moving the focus position of the trap beam with a high-precision stage. This technique allows us to prepare cold atoms in the very vicinity of the structure where an near-field exists.
|
