A butterfly laser is an active device that converts an electrical signal into an optical signal and couples as much as possible into an optical fiber for transmission. Here is how a butterfly laser works：
Different butterfly laser manufacturers have different structural designs. Here is conventional ORTE photonics verison.
Based on our design, we found that the thermal expansion coefficient of the material affects the temperature characteristics of the laser. One of the important component is the metal vest. The material selection of the vest has a great influence on the temperature characteristics of the butterfly laser. We select the two different steel, SUS403 and 4J29
The above experimental analysis results are theoretical results without temperature control. The actual butterfly laser has a TEC temperature control at the bottom, so the actual impact under different operating temperatures should not be as great as the above table, but through this theoretical analysis, it is also possible to We have a deep understanding of the influence of the thermal expansion coefficient of the material on the temperature characteristics of the butterfly laser.