You’ll also need a focusing lens (just a few dollars), some thermal glue, an LM317, a resistor, and a pair of protective goggles matching the laser diode’s wavelength.

The non-spherical surface of an aspheric lens allows a single component to effectively focus or collimate even highly divergent emissions, potentially replacing a multi-lens system with a single ...

Aspheric lenses made of glass are used to withstand the high power levels of high-power laser diodes. They can also include anti-reflection coatings is required. For quantities of more than 100 pieces ...

Hobbyist-grade laser cutters can be a little restrictive as to the types and thicknesses of materials that they can cut. We’re usually talking about CO 2 and diode-based machines here, and if ...

image: Schematic view of the final gas sensing microsystem based on a low-cost polymer microresonator and the use of a vertical laser diode (VCSEL) as a probing source. view more Credit: The ...

The laser diode- lens assembly forms the optical system of the CD player. The laser diode- lens assembly is generally known as ‘Eye of CD player”. The lens system focuses the laser beam reflected onto ...