Why is the wavelength of light used to read data on DVD's smaller than the minimum pit length? - Quora
![How Blu-Ray Discs Work Encodes data onto a disc by creating pits with a laser that can be read as binary code, just like CDs and DVDs. Uses 405nm blue. - ppt How Blu-Ray Discs Work Encodes data onto a disc by creating pits with a laser that can be read as binary code, just like CDs and DVDs. Uses 405nm blue. - ppt](https://images.slideplayer.com/25/8134316/slides/slide_2.jpg)
How Blu-Ray Discs Work Encodes data onto a disc by creating pits with a laser that can be read as binary code, just like CDs and DVDs. Uses 405nm blue. - ppt
![Pit size in CD and DVD 1. Pit size in CD and DVD 1. Pit size in CD and... | Download Scientific Diagram Pit size in CD and DVD 1. Pit size in CD and DVD 1. Pit size in CD and... | Download Scientific Diagram](https://www.researchgate.net/publication/242275438/figure/fig5/AS:669470628540432@1536625644950/Figure-3-1-Pit-size-in-CD-and-DVD-1-Pit-size-in-CD-and-DVD-1-Pit-size-in-CD-and-DVD-1.jpg)
Pit size in CD and DVD 1. Pit size in CD and DVD 1. Pit size in CD and... | Download Scientific Diagram
![Sketch of data storage in a CD (top) and a DVD (bottom). The data are... | Download Scientific Diagram Sketch of data storage in a CD (top) and a DVD (bottom). The data are... | Download Scientific Diagram](https://www.researchgate.net/profile/Enrico-Campari/publication/348135747/figure/fig3/AS:994843912335360@1614200680302/Sketch-of-data-storage-in-a-CD-top-and-a-DVD-bottom-The-data-are-encoded-in-the-form_Q320.jpg)