{"product_id":"9780819431042","title":"Wavelength Division Multiplexing","description":"","brand":"SPIE Press","offers":[{"title":"Default Title","offer_id":47008115556592,"sku":"9780819431042","price":71.23,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0737\/7593\/9824\/files\/9780819431042_p0.jpg?v=1763749856","url":"https:\/\/shop-qa.barnesandnoble.com\/products\/9780819431042","provider":"Barnes \u0026 Noble (DEV)","version":"1.0","type":"link"}