I am not sure if the answer you seek is in here because I only have access to the abstract but here is a paper studying the effect of meteoroids on the jwst mir

I am not sure if the answer you seek is in here because I only have access to the abstract but here is a paper studying the effect of meteoroids on the jwst mirrors. https://adsabs.harvard.edu/pdf/2004ESASP.538..417S https://adsabs.harvard.edu/pdf/2004ESASP.538..417S https://www.spiedigitallibrary.org/conference-proceedings-of-spie/8442/84423A/Optical-transmission-for-the-James-Webb-Space-Telescope/10.1117/12.924841.short https://www.spiedigitallibrary.org/conference-proceedings-of... https://www.sciencedirect.com/science/article/abs/pii/S0734743X03001234 https://www.sciencedirect.com/science/article/abs/pii/S07347...