{"product_id":"mlastro-holographic-gratings","title":"MLAstro holographic gratings","description":"\u003cp\u003eML Astro gratings are carefully crafted to ensure best possible performance over the whole visible range.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eImportant Notice:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDo not touch the coated surface of the grating.\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eAny fingerprints on the surface will render it unusable, and the grating will be discarded. The coated surface is extremely fragile and can be damaged literally by blowing on it the wrong way. To remove dust, use only a bulb blower—\u003cstrong\u003edo not blow directly on the surface\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eor use any other cleaning methods. Small dust particles will not affect the grating’s performance.\u003c\/p\u003e\n\u003cp\u003eAlways handle the grating by the edges and place it with the coated surface facing up. For extended storage, it is highly recommended to use the original case and keep it in a humidity-controlled environment (under 60% RH).\u003c\/p\u003e\n\u003cp\u003eAll grating listed here are Blazed at 500nm. If you need different blazed wavelength, please contact me via email before place order.\u003c\/p\u003e","brand":"oc telescope","offers":[{"title":"300l\/mm","offer_id":48285807116542,"sku":null,"price":110.0,"currency_code":"USD","in_stock":true},{"title":"2400l\/mm","offer_id":48285807149310,"sku":null,"price":110.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2129\/9429\/files\/grating.jpg?v=1780009098","url":"https:\/\/octelescope.com\/products\/mlastro-holographic-gratings","provider":"oc telescope","version":"1.0","type":"link"}