{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Studies on optical properties of photonic band gap materials: Photonic crystals","author_name":"Vipin Kumar, Kh. S. Singh, S.P. Ojha","thumbnail_url":"https://www.ebooknetworking.net/books/384/849/big3848499797.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-3848499797.html\">Studies on optical properties of photonic band gap materials: Photonic crystals</a>","width":400,"height":300}