Category: Updates

How do I volunteer for WWF?

Apply to the WWF Young Adult Volunteer and Internship Programme Fill in and submit your WWF Volunteer and Intern Programme application form. If your appli...

What is divergence of Ne laser?

Overview Typical HeNe Parameters Beam Diameter 1 mm Full Angle Beam Divergence (α) 1.5 mrad Cavity Length (L) 0.15 m (0.5 mW) to 1 m (35 mW) Reflectivity ...