Abstract
We observe coherent, cw, 455 nm blue-beam production via frequency upconversion in cesium vapor. Two IR lasers induce strong double excitation in a heated cesium vapor cell, allowing the atoms to undergo a double cascade and produce a coherent, collimated, blue beam copropagating with the two IR pump lasers.
| Original language | English |
|---|---|
| Pages (from-to) | 2321-2323 |
| Number of pages | 3 |
| Journal | Optics Letters |
| Volume | 34 |
| Issue number | 15 |
| DOIs | |
| Publication status | Published - 1 Aug 2009 |
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