1. https://www.ophiropt.com/laser--measurement/laser-power-energy-meters/products/Laser-Thermal-Power-Sensors/High-Sensitivity-Thermal-Laser-Sensors/3A.
2. https://www.gentec-eo.com/products/xlp12-3s-h2-d0.
3. https://www.thorlabs.us/thorproduct.cfm?partnumber=S401C.
4. https://www.laserpoint.eu/products/thermal-sensors/thermal-sensors-for-low-power-lasers/a-02-d12-bbf.
5. Accelerated response of thermopile pyranometers;Brinkworth;Solar Energy,1976