{"isbn_13": ["9780127521756"], "physical_format": "Hardcover", "subtitle": "Physics and Device Applications II (Semiconductors and Semimetals)", "weight": "12.8 ounces", "languages": [{"key": "/l/eng"}], "publishers": ["Academic Press"], "number_of_pages": 300, "last_modified": {"type": "/type/datetime", "value": "2008-04-30 09:38:13.731961"}, "id": 12834318, "first_sentence": {"type": "/type/text", "value": "Most solid-state and gas lasers rely on narrow optical transitions connecting discrete energy levels between which population inversion is achieved by optical or electrical pumping (Yariv, 1988)."}, "isbn_10": ["0127521755"], "publish_date": "October 13, 1999", "key": "/b/OL9534670M", "authors": [{"key": "/a/OL3280114A"}], "title": "Semiconductors and Semimetals Volume 66: Intersubband Transitions in Quantum Wells", "type": {"key": "/type/edition"}, "subjects": ["Materials science", "Metals technology / metallurgy", "Semi-conductors & super-conductors", "Technology", "Science", "Science/Mathematics", "Electronics - Microelectronics", "Material Science", "Physics", "Science / Physics", "Engineering - Electrical & Electronic"], "physical_dimensions": "9.1 x 5.9 x 0.7 inches", "revision": 1}