{"id":819,"date":"2021-03-29T10:11:43","date_gmt":"2021-03-29T02:11:43","guid":{"rendered":"https:\/\/www.astarphotonics.cn\/?post_type=product&p=819"},"modified":"2021-03-29T10:21:19","modified_gmt":"2021-03-29T02:21:19","slug":"ndyvo4","status":"publish","type":"product","link":"https:\/\/www.astarphotonics.cn\/product\/ndyvo4\/","title":{"rendered":"ND:YVO4\u6676\u4f53"},"content":{"rendered":"

ND:YVO4\u6676\u4f53<\/h2>\n

\u4e0eNd:YAG\u76f8\u6bd4Nd:YVO4\u5bf9\u6cf5\u6d66\u5149\u6709\u66f4\u5927\u7684\u53d7\u6fc0\u53d1\u5c04\u622a\u9762\u548c\u8f83\u9ad8\u7684\u5438\u6536\u7cfb\u6570\u3002\u5b83\u662f\u4e00\u79cd\u6027\u80fd\u4f18\u826f\u7684\u6fc0\u5149\u6676\u4f53\uff0c\u9002\u5408\u5236\u9020\u6fc0\u5149\u4e8c\u6781\u7ba1\u6cf5\u6d66\uff0c\u7279\u522b\u662f\u4e2d\u4f4e\u529f\u7387\u7684\u6fc0\u5149\u5668\u3002\u53ef\u4ee5\u5236\u6210\u8f93\u51fa\u8fd1\u7ea2\u5916\u3001\u7eff\u8272\u3001\u84dd\u8272\u5230\u7d2b\u5916\u7ebf\u7b49\u7c7b\u578b\u7684\u5168\u56fa\u6001\u6fc0\u5149\u5668\u3002<\/p>\n

\u4ea7\u54c1\u7279\u70b9<\/strong>
\n \u5149\u635f\u4f24\u9608\u503c\u4f4e\uff0c\u9ad8\u659c\u7387\u6548\u7387
\n \u4e3a\u53cc\u8f74\u6676\u4f53\u8f93\u51fa\u4e3a\u7ebf\u504f\u632f
\n \u4f4e\u9891\u6cf5\u6d66\u6ce2\u957f\uff0c\u6613\u4e8e\u5355\u6a21\u8f93\u51fa
\n \u53d7\u6fc0\u53d1\u5c04\u622a\u9762\u5927\uff0c\u6cf5\u6d66\u6ce2\u957f\u7ebf\u5bbd\u7684\u5438\u6536\u9ad8
\n \u5728808nm\u7684\u6cf5\u6d66\u5bbd\u5e26\u4e3aNd:YAG\u76845\u500d
\n \u57281064nm\u5904\u7684\u53d7\u6fc0\u53d1\u5c04\u622a\u9762\u662fNd:YAG\u76843\u500d<\/p>\n

\u4ea7\u54c1\u5e94\u7528<\/strong>
\n \u73b0\u5728Nd:YVO4\u6fc0\u5149\u5668\u5df2\u5728\u673a\u68b0\u3001\u6750\u6599\u52a0\u5de5\u3001\u6ce2\u8c31\u5b66\u3001\u6676\u7247\u68c0\u9a8c\u3001\u663e\u793a\u5668\u3001\u533b\u5b66\u68c0\u6d4b\u3001\u6fc0\u5149\u5370\u5237\u3001\u6570\u636e\u5b58\u50a8\u7b49\u591a\u4e2a\u9886\u57df\u5f97\u5230\u5e7f\u6cdb\u7684\u5e94\u7528
\n \u89c4\u683c<\/strong><\/p>\n

\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
Nd Dopant Level<\/td>\n0.1 – 5.0 atm%<\/td>\n<\/tr>\n
Standard Dimensions<\/td>\n3x3x3 mm3, 3x3x1 mm3, 3x3x0.5 mm3<\/td>\n<\/tr>\n
Wavefront Distortion<\/td>\nλ\/8@ 633nm<\/td>\n<\/tr>\n
Scattering<\/td>\nInvisible, probed with a He-Ne laser<\/td>\n<\/tr>\n
Orientation Tolerance<\/td>\n±0.5deg<\/td>\n<\/tr>\n
Dimensional Tolerance<\/td>\n±0.1mm<\/td>\n<\/tr>\n
End-faces Configuration<\/td>\nPlano\/Plano<\/td>\n<\/tr>\n
Surface Flatness<\/td>\nλ\/10 at 633 nm<\/td>\n<\/tr>\n
Surface Quality<\/td>\n10\/5 Scratch and Dig<\/td>\n<\/tr>\n
Parallelism<\/td>\n< 10 arc seconds<\/td>\n<\/tr>\n
Clear Aperture<\/td>\n> Central 90%<\/td>\n<\/tr>\n
Intrinsic Loss<\/td>\n< 0.1%cm-1<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

\u7269\u7406\u5c5e\u6027<\/strong><\/p>\n\n\n\n\n\n\n\n\n
Atomic Density<\/td>\n~1.37×1020 atoms\/cm3<\/td>\n<\/tr>\n
Crystal Structure<\/td>\nZircon Tetragonal, space group D4h<\/td>\n<\/tr>\n
a=b=7.12, c=6.29<\/td>\n<\/tr>\n
Density<\/td>\n4.22 g\/cm3<\/td>\n<\/tr>\n
Mohs Hardness<\/td>\nGlass-like, ~5<\/td>\n<\/tr>\n
Thermal Expansion Coefficient<\/td>\na=4.43×10-6\/K, c=11.37×10-6\/K<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

\u5149\u5b66\u5c5e\u6027<\/strong>(typically for 1.1 atm% Nd:YVO4, a-cut crystals)<\/p>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
Lasing Wavelengths<\/td>\n914nm, 1064 nm, 1342 nm<\/td>\n<\/tr>\n
Thermal Optical Coefficient<\/td>\ndna\/dT=8.5×10-6\/K, dnc\/dT=3.0×10-6\/K<\/td>\n<\/tr>\n
Stimulated Emission Cross-Section<\/td>\n25.0×10-19cm2 @1064 nm<\/td>\n<\/tr>\n
Fluorescent Lifetime<\/td>\n90us @808 nm, (50us @808 nm for 2atm% Nd doped)<\/td>\n<\/tr>\n
Absorption Coefficient<\/td>\n31.4 cm-1@808 nm<\/td>\n<\/tr>\n
Absorption Length<\/td>\n0.32 mm @808 nm<\/td>\n<\/tr>\n
Intrinsic Loss<\/td>\nLess than 0.1% cm-1@1064 nm<\/td>\n<\/tr>\n
Gain Bandwidth<\/td>\n0.96 nm (257 GHz) @1064 nm<\/td>\n<\/tr>\n
Polarized Laser Emission<\/td>\nppolarization, Parallel to optic axis (c-axis)<\/td>\n<\/tr>\n
Diode Pumped Optical to Optical Efficiency<\/td>\n> 60%<\/td>\n<\/tr>\n
Crystal Class<\/td>\nPositive uniaxial, no=na=nb, ne=nc,
\n no=1.9573, ne=2.1652, @1064nm
\n no=1.9721, ne=2.1858, @808nm
\n no=2.0210, ne=2.2560, @532nm<\/td>\n<\/tr>\n
Sellmeier Equation
\n (for pure YVO4 crystals, λin um)<\/td>\n
no2=3.77834+0.069736\/(λ2-0.04724) – 0.0108133λ2ne2=4.59905+0.110534\/(λ2-0.04813) – 0.0122676λ2<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n","protected":false},"excerpt":{"rendered":"

Nd:YAG\u76f8\u6bd4Nd:YVO4\u5bf9\u6cf5\u6d66\u5149\u6709\u66f4\u5927\u7684\u53d7\u6fc0\u53d1\u5c04\u622a\u9762\u548c\u8f83\u9ad8\u7684\u5438\u6536\u7cfb\u6570\u3002\u5b83\u662f\u4e00\u79cd\u6027\u80fd\u4f18\u826f\u7684\u6fc0\u5149\u6676\u4f53\uff0c\u9002\u5408\u5236\u9020\u6fc0\u5149\u4e8c\u6781\u7ba1\u6cf5\u6d66\uff0c\u7279\u522b\u662f\u4e2d\u4f4e\u529f\u7387\u7684\u6fc0\u5149\u5668\u3002<\/p>\n

\u6211\u4eec\u70ed\u5ff1\u6b22\u8fce\u5404\u754c\u670b\u53cb\u4e0e\u6211\u4eec\u8054\u7cfb\u3001\u6d3d\u8c08\u5408\u4f5c\u3002<\/p>\n

\u7535\u5b50\u90ae\u7bb1\uff1asales@astarphotonics.com<\/p>\n

\u7535\u8bdd\uff1a +86-186 5005 0680<\/p>\n","protected":false},"featured_media":820,"template":"","meta":[],"product_cat":[34],"product_tag":[52,53],"class_list":{"0":"post-819","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-laser-crystals","7":"product_tag-bbo","8":"product_tag-ndyag","10":"first","11":"instock","12":"shipping-taxable","13":"product-type-simple"},"_links":{"self":[{"href":"https:\/\/www.astarphotonics.cn\/wp-json\/wp\/v2\/product\/819"}],"collection":[{"href":"https:\/\/www.astarphotonics.cn\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/www.astarphotonics.cn\/wp-json\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.astarphotonics.cn\/wp-json\/wp\/v2\/media\/820"}],"wp:attachment":[{"href":"https:\/\/www.astarphotonics.cn\/wp-json\/wp\/v2\/media?parent=819"}],"wp:term":[{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/www.astarphotonics.cn\/wp-json\/wp\/v2\/product_cat?post=819"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/www.astarphotonics.cn\/wp-json\/wp\/v2\/product_tag?post=819"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}