In this study, the grating was placed on a six-axis precision positioning platform and covered with an acrylic cover and black cloth. The ambient temperature was set at 22 degrees
In this study, the grating was placed on a six-axis precision positioning platform and covered with a acrylic cover and a black cloth, with an ambient temperature of 22 degrees.
In this study, the grating is placed on a six axis precision positioning platform and covered with a acrylic cover and a black cloth. The ambient temperature is set at 22 degrees