Abstract
A miniature external cavity has been fabricated from a single 4.5 mm substrate for coherent beam addition of a linear AlGaAs laser array. Binary-optics elements are fabricated on the front surface for laser beam collimation and onto the back surface for lateral mode selection. Near-diffraction-limited performance has been observed with up to 80% of the far-field power contained in the central lobe.
| Original language | English (US) |
|---|---|
| Pages (from-to) | 4-6 |
| Number of pages | 3 |
| Journal | Applied Physics Letters |
| Volume | 56 |
| Issue number | 1 |
| DOIs | |
| State | Published - 1990 |