n gaas substrate vcsel epiwafer

{"cid":"91184473","title":"N-GaAs Substrate VCSEL Epiwafer 6 Inch GaAs Orientation 100 111 Wavelength 940nm For Gigabit Ethernet","imgUrl":"https:\/\/img.ismap.com\/nimg\/de\/61\/bfcd0ef1aa8000f6b1aaa04b693b-200x200-1.jpg","attrs":{"Brand Name":"ZMSH","Delivery Time":"2-4weeks","Certification":"ROHS","Place of Origin":"China","Payment Terms":"T\/T","Cavity mode Tolerance":"Within3%","Cavity mode Uniformity":"<= 1%","Dopinglevel tolerance":"Within \u00b130 %","Doping level Uniformity":"<= 10%","PL Wavelength uniformity":"Std. Dev better than 2nm @inner 140mm","Thickness uniformity":"Better than \u00b13% @inner 140mm","Mole fraction x tolerance":"Within \u00b10.03","Mole fraction x Uniformity":"<= 0.03"}}

{"cid":"91191224","title":"N-GaAs Substrate 6inch 350um Thickness For VCSEL Use OptiWave VCSEL EpiWafer","imgUrl":"https:\/\/img.ismap.com\/nimg\/01\/80\/c693a0e065f08f881028773a7f48-200x200-1.jpg","attrs":{"Brand Name":"ZMSH","Place of Origin":"China","Cavity mode Tolerance":"Within \u00b1 3%","Cavity mode Uniformity":"<= 1%","Doping level tolerance":"Within \u00b1 30%","Doping level Uniformity":"<= 10%","PL Wavelength uniformity":"Std. Dev better than 2nm @inner 140mm","Thickness uniformity":"Better than \u00b13% @inner 140mm","Mole fraction x tolerance":"Within \u00b10.03","Mole fraction x Uniformity":"<= 0.03"}}