Measuring Laser Power Below the Noise Floor with a Lock-In Amplifier

Measuring optical signals in the femtowatt (10-15) to nanowatt (10-9) range can be very challenging. This video explains how Lock-In Amplifiers can help make these measurements possible.   For more information, please go to: https://bit.ly/4emi811 ======= // JOIN OUR LASER MEASUREMENT COMMUNITY! Use this link to join our Professional Laser measurement LinkedIn group: https://bit.ly/3N4gkxH //SUBSCRIBE to our professional blog: https://bit.ly/3ztRV1w // FOLLOW LinkedIn (company page): https://bit.ly/4dkFkeM Facebook: https://bit.ly/4eogw6V Instagram: https://bit.ly/4gL73by Twitter: https://bit.ly/3TNfbhY (And of course) YouTube: https://bit.ly/47NLbYI // ABOUT US: Ophir is a brand within the MKS Instruments Photonics Solutions division. The Ophir product portfolio consists of laser and LED measurement products including laser power and energy meters, beam profilers, high-performance IR thermal imaging lenses and optics for CO₂ and high-power fiber laser applications. For more information, visit https://www.ophiropt.com.