Wavetronics is a South Korean manufacturer of a variety of lasers including clones of the HP/Agilent 5517A/B/C/D two-frequency HeNe laser" for interferometry based measurement and calibration systems. These are all physically and functionally similar to their HP/Agilent counterparts.
Much more information on these lasers can be found in the chapter: Commercial Stabilized HeNe Lasers of Sam's Laser FAQ.
The Wavetronics WT307C is a physical, electrical, and functional clone of the HP-5517C.
View 03 View 04
View 05 View 06
View 07 View 08
View 09 View 10 View 11