{"product_id":"interference-spectra-rs-21978","title":"Interference spectra","description":"\u003cp\u003eGraphical representation of interference spectra. Figure 1 shows the phases produced from successive openings in a diffraction grating. Figure 2 represents the spectrum produced by a narrow slit of sunlight passing through a coarse diffraction grating.\u003c\/p\u003e\u003cp\u003ePlate I to Light waves and their uses by A. A. Michelson, 1903.\u003c\/p\u003e","brand":"prodigi","offers":[{"title":"Fine art poster \/ XS: 30 x 20cm \/ none","offer_id":59038372921725,"sku":"GLOBAL-FAP-8X12","price":17.95,"currency_code":"GBP","in_stock":true},{"title":"Fine art poster \/ S: 45 x 30cm \/ none","offer_id":59038372954493,"sku":"GLOBAL-FAP-12X18","price":22.95,"currency_code":"GBP","in_stock":true},{"title":"Fine art poster \/ M: 60 x 40cm \/ none","offer_id":59038372987261,"sku":"GLOBAL-FAP-16X24","price":28.95,"currency_code":"GBP","in_stock":true},{"title":"Fine art poster \/ L: 75 x 50cm \/ none","offer_id":59038373020029,"sku":"GLOBAL-FAP-20X30","price":39.95,"currency_code":"GBP","in_stock":true},{"title":"Fine art poster \/ XL: 90 x 60cm \/ none","offer_id":59038373052797,"sku":"GLOBAL-FAP-24X36","price":49.95,"currency_code":"GBP","in_stock":true},{"title":"Fine art poster \/ XXL: 150 x 100cm \/ none","offer_id":59038373085565,"sku":"GLOBAL-FAP-40X60","price":59.95,"currency_code":"GBP","in_stock":true},{"title":"Framed picture \/ XS: 40 x 30cm \/ none","offer_id":59038373118333,"sku":"MUS-CFPM-12X16","price":39.95,"currency_code":"GBP","in_stock":true},{"title":"Framed picture \/ S: 60 x 45cm \/ none","offer_id":59038373151101,"sku":"MUS-CFPM-18X24","price":49.95,"currency_code":"GBP","in_stock":true},{"title":"Framed picture \/ M: 75 x 50cm \/ none","offer_id":59038373183869,"sku":"MUS-CFPM-20X30","price":64.95,"currency_code":"GBP","in_stock":true},{"title":"Framed picture \/ L: 90 x 60cm \/ none","offer_id":59038373216637,"sku":"MUS-CFPM-24X36","price":89.95,"currency_code":"GBP","in_stock":true},{"title":"Framed picture \/ XL: 100 x 70cm \/ none","offer_id":59038373249405,"sku":"MUS-CFPM-28X40","price":114.95,"currency_code":"GBP","in_stock":true},{"title":"Postcard \/ Standard: 6 x 4in \/ Single","offer_id":59038373282173,"sku":"GLOBAL-POST-MOH-6X4","price":1.95,"currency_code":"GBP","in_stock":true},{"title":"Postcard \/ Standard: 6 x 4in \/ 10-pack","offer_id":59038373314941,"sku":"GLOBAL-POST-MOH-6X4-10","price":14.95,"currency_code":"GBP","in_stock":true},{"title":"Postcard \/ Standard: 6 x 4in \/ 20-pack","offer_id":59038373347709,"sku":"GLOBAL-POST-MOH-6X4-20","price":24.95,"currency_code":"GBP","in_stock":true},{"title":"Postcard \/ Large: 7 x 5in \/ Single","offer_id":59038373380477,"sku":"GLOBAL-POST-MOH-7X5","price":2.95,"currency_code":"GBP","in_stock":true},{"title":"Postcard \/ Large: 7 x 5in \/ 10-pack","offer_id":59038373413245,"sku":"GLOBAL-POST-MOH-7X5-10","price":19.95,"currency_code":"GBP","in_stock":true},{"title":"Postcard \/ Large: 7 x 5in \/ 20-pack","offer_id":59038373446013,"sku":"GLOBAL-POST-MOH-7X5-20","price":29.95,"currency_code":"GBP","in_stock":true},{"title":"Greetings card \/ Standard: 6 x 4in \/ Single","offer_id":59038373478781,"sku":"GLOBAL-GRE-MOH-6X4-BLA","price":2.5,"currency_code":"GBP","in_stock":true},{"title":"Greetings card \/ Standard: 6 x 4in \/ 10-pack","offer_id":59038373511549,"sku":"GLOBAL-GRE-MOH-6X4-BLA-10","price":15.95,"currency_code":"GBP","in_stock":true},{"title":"Greetings card \/ Standard: 6 x 4in \/ 20-pack","offer_id":59038373544317,"sku":"GLOBAL-GRE-MOH-6X4-BLA-20","price":26.95,"currency_code":"GBP","in_stock":true},{"title":"Greetings card \/ Large: 7 x 5in \/ Single","offer_id":59038373577085,"sku":"GLOBAL-GRE-MOH-7X5-BLA","price":3.5,"currency_code":"GBP","in_stock":true},{"title":"Greetings card \/ Large: 7 x 5in \/ 10-pack","offer_id":59038373609853,"sku":"GLOBAL-GRE-MOH-7X5-BLA-10","price":19.95,"currency_code":"GBP","in_stock":true},{"title":"Greetings card \/ Large: 7 x 5in \/ 20-pack","offer_id":59038373642621,"sku":"GLOBAL-GRE-MOH-7X5-BLA-20","price":33.95,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2988\/4982\/files\/rs-21978.jpg?v=1793792468","url":"https:\/\/prints.royalsociety.org\/products\/interference-spectra-rs-21978","provider":"Royal Society Print Shop","version":"1.0","type":"link"}