A theory of the far spatial coherent-suppressed single-peak field distribution of a rectangular wave-guide CO2 laser is presented. The theoretical analysis shows that a rectangular wave-guide laser can have an output ...A theory of the far spatial coherent-suppressed single-peak field distribution of a rectangular wave-guide CO2 laser is presented. The theoretical analysis shows that a rectangular wave-guide laser can have an output intensity distribution in far field similar to that produced from a wave-guide array laser, which is in agreement with the experimental result. A single-peak mode output is obtained within 5 metres. The experimental far-field spread angle in the bigger-Fresnel number direction is 0.63 mrad, compared to the calculated one, 0.6 mrad, and when the length of the laser resonator is changed, a double-peak or multi-peak in far-field distribution of the laser is obtained.展开更多
尊敬的《金属加工》读者朋友、行业专家和领导们,大家新年好。刚刚过去的2020年是不平凡的一年,突然爆发的新冠疫情给社会和经济造成了很大影响,中国机床承压前行。所幸经过无数抗疫英雄与民众的并肩奋战,疫情的阴霾慢慢消散,崭新的202...尊敬的《金属加工》读者朋友、行业专家和领导们,大家新年好。刚刚过去的2020年是不平凡的一年,突然爆发的新冠疫情给社会和经济造成了很大影响,中国机床承压前行。所幸经过无数抗疫英雄与民众的并肩奋战,疫情的阴霾慢慢消散,崭新的2021年款款而来。P M T博鲁斯潘始终致力于精密/超精密高端五轴联动立卧数控加工中心、精密数控立/卧式加工中心、精密立式磨床、精密数控曲线磨床、精密立/卧式数控车床等高端装备以及自动化智能生产线的研发制造与销售。展开更多
文摘A theory of the far spatial coherent-suppressed single-peak field distribution of a rectangular wave-guide CO2 laser is presented. The theoretical analysis shows that a rectangular wave-guide laser can have an output intensity distribution in far field similar to that produced from a wave-guide array laser, which is in agreement with the experimental result. A single-peak mode output is obtained within 5 metres. The experimental far-field spread angle in the bigger-Fresnel number direction is 0.63 mrad, compared to the calculated one, 0.6 mrad, and when the length of the laser resonator is changed, a double-peak or multi-peak in far-field distribution of the laser is obtained.
文摘尊敬的《金属加工》读者朋友、行业专家和领导们,大家新年好。刚刚过去的2020年是不平凡的一年,突然爆发的新冠疫情给社会和经济造成了很大影响,中国机床承压前行。所幸经过无数抗疫英雄与民众的并肩奋战,疫情的阴霾慢慢消散,崭新的2021年款款而来。P M T博鲁斯潘始终致力于精密/超精密高端五轴联动立卧数控加工中心、精密数控立/卧式加工中心、精密立式磨床、精密数控曲线磨床、精密立/卧式数控车床等高端装备以及自动化智能生产线的研发制造与销售。