Abstract
This study presents an external cavity diode laser (ECDL) system, utilizing a volume holographic grating (VHG) and a microfabricated silicon flexure as the VHG holder. The laser design is aimed for easy assembly, controllability, and better stability of the laser cavity. The laser frequency was stabilized to a D2 transition of rubidium at 780.247nm, with a mode-hop-free tuning range of 16GHz and 9.6GHz with and without feed-forward on the diode injection current. The measured linewidth was 850kHz in 500s, qualified for laser cooling experiments.
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