According to the latest data, in March 2017, China's lithium-ion battery production was 757 million, an increase of 45.3% year-on-year; cumulative output in January-March reached 1.92 billion, a cumulative increase of 35.2%.
CNI Laser manufactures compact diode-pumped solid-state (DPSS) single longitudinal mode lasers with narrow linewidth (<10-6 nm) and long coherent length (>100 m). The laser operates in single longitudinal mode and TEMOO mode with low amplitude noise and high stability.
CNI can offer single longitudinal mode laser in wavelengths (nm) of: 360 457 473 523.5 526.5 532 556 561 577 589 639 656 660 671 721 1047 1053 1064 1313 1319 1342
Another option of Narrow Linewidth Laser which includes DPSS laser and diode laser.The linewidth of diode laser is <0.03nm, and <0.003nm for DPSS laser.
Single Frequency Laser, Single Frequency Laser,High Power Single Frequency Laser,Single Longitudinal Mode Laser Changchun New Industries Optoelectronics Technology Co., Ltd. , https://www.lasersciences.com
It is reported that the output of major downstream products such as mobile phones and electric vehicles has shown rapid growth in different degrees, driving the demand for lithium-ion battery in China to soar in the past two years, reversing the trend of continuous decline in the growth rate of lithium-ion battery production, and the power battery has gradually become The leading force in the growth of the lithium battery industry. The data shows that the market for lithium-ion batteries in China is expected to reach 82.18GWH by 2017, and the compound growth rate will be 25% in the next three years. 
