![Amazon.com: Pick-Up Laser SF-P101 16 Pin Optical Pick-Up Laser Lens with Mechanism for CD DVD Player : Electronics Amazon.com: Pick-Up Laser SF-P101 16 Pin Optical Pick-Up Laser Lens with Mechanism for CD DVD Player : Electronics](https://m.media-amazon.com/images/I/71IYhB1Au4L.jpg)
Amazon.com: Pick-Up Laser SF-P101 16 Pin Optical Pick-Up Laser Lens with Mechanism for CD DVD Player : Electronics
![TIL that Blu-Ray discs are called blue and can hold more storage because the laser is blue, which has a shorter wavelength than red and hence can read more accurately, allowing for TIL that Blu-Ray discs are called blue and can hold more storage because the laser is blue, which has a shorter wavelength than red and hence can read more accurately, allowing for](https://external-preview.redd.it/RpwbVyTv2MJyUFVJp1e9P42vaH1ZlgsOK_hal2KFRq4.jpg?auto=webp&s=620a1db8273766d29876fc4a45d52a5d9b92e35c)
TIL that Blu-Ray discs are called blue and can hold more storage because the laser is blue, which has a shorter wavelength than red and hence can read more accurately, allowing for
Why is the wavelength of light used to read data on DVD's smaller than the minimum pit length? - Quora
![SOLVED: 2. The old-style compact disc (CD) players used laser light shined upward to the bottom of Reflectiv coating the CD; which "Tead" the pits On the bottom surface of the CD. SOLVED: 2. The old-style compact disc (CD) players used laser light shined upward to the bottom of Reflectiv coating the CD; which "Tead" the pits On the bottom surface of the CD.](https://cdn.numerade.com/ask_images/15dace103741422f94433908e4eb1d28.jpg)
SOLVED: 2. The old-style compact disc (CD) players used laser light shined upward to the bottom of Reflectiv coating the CD; which "Tead" the pits On the bottom surface of the CD.
Why is the wavelength of light used to read data on DVD's smaller than the minimum pit length? - Quora
![SOLVED:The data encoded on CDs, DVDs, and Blu-ray discs is read by lasers. What is the wavelength in nanometers and the energy in joules of the following lasers? (a) CD laser, ν=3.85 × SOLVED:The data encoded on CDs, DVDs, and Blu-ray discs is read by lasers. What is the wavelength in nanometers and the energy in joules of the following lasers? (a) CD laser, ν=3.85 ×](https://cdn.numerade.com/previews/a825c62e-23a6-4ae2-ad25-222413b5e32f_large.jpg)