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The blue laser diode in optical disk drive technology

By the late 1990s blue lasers were used for making the masters for DVD discs, but this process used hugely expensive special laser-beam recorders the size of a wardrobe and needing a super-clean, vibration-free environment in which to work properly. The challenge for optical drive … [Read more...]

Filed Under: Blu-ray Tagged With: blue laser, blue laser diode, blue-violet laser, Shuji Nakamura

DVD Forum and the Blu-ray Disk Association (BDA)

The DVD Forum was set up in August 1997 as a voluntary association of hardware manufacturers, software firms and other users of DVDs. The big manufacturers were predicting that beyond-DVD discs and drives would be a reality at the start of the next century. In the event, that proved … [Read more...]

Filed Under: Blu-ray Tagged With: BDA, Blu-ray Disk Association, DVD-Forum

Blu-ray vs HD-DVD – the war of the blue laser optical disks

Shuji Nakamura's blue laser diode exactly fit requirements for next generation DVDs: accurate, reliable, small and affordable both for manufacturing and running costs. It was a brilliant invention, and it offered the opportunity for a single, industry wide high-definition optical storage … [Read more...]

Filed Under: Blu-ray Tagged With: blu-ray, blue laser war, compatibility, HD-DVD

Blu-ray Region Codes

Blu-ray Region codes: DVD region codes were introduced to try to give movie studios some control over global distribution for their movie releases. The system wasn't entirely successful, but the studios have persisted. Though boundaries have changed, Blu-ray too has regional coding. The … [Read more...]

Filed Under: Blu-ray

Blu-Ray – the Hi-Def Blue Laser Disk Technology

Optical disks have come a long way. They began back in the 1980s with the humble CD, which was great for music, computer software and data. Unfortunately it turned out to be poor for movies, though there was some limited success withVideoCD in Asian markets. DVDs came to the rescue in the … [Read more...]

Filed Under: Blu-ray

HD-DVD (High Definition Digital Versatile Disk) – blue laser optical disk

Despite High Definition Digital Versatile Disc HD-DVD) being the original DVD Forum approved successor to the DVD format, it was ultimately doomed, eventually consigned to history by the rival Blu-ray Disk (BD) technology. Originally called Advanced Optical Disc (AOD), the technology's … [Read more...]

Filed Under: Blu-ray Tagged With: HD-DVD, High Definition Digital Versatile Disk, how does HD-DVD work, what is HD-DVD

Blu-ray Disks (BD) – blue laser optical disk technology

Optical disc technologies such as DVD, DVD-R, DVD-RW, and DVD-RAM employ a 650 nm red laser, bond 0.6mm-thick discs and use lenses with a numerical aperture (NA) of 0.6. By employing a short wavelength (405nm) blue violet laser, the Blu-ray Disc (BD) successfully minimises its beam … [Read more...]

Filed Under: Blu-ray Tagged With: BD, Blu-ray Disk, blue-violet laser, optical disk

Blu-ray region codes – map and explanation

Blu-ray Disks (BDs) can contain a region code, similar to the DVD region code but with different boundaries. Region codes place geographical restrictions on where in the world a Blu-ray movie can be played. For example, a BD system bought in the USA region would play only Blu-ray movie disks with … [Read more...]

Filed Under: Blu-ray Tagged With: international Blu-ray regions, What are Blu-ray region codes, what Blu-ray region am I in, what is my Blu-ray region

Why Cross-Chain Trading Is the Future of Crypto Investing?

The rapid growth and evolution of the cryptocurrency market have opened up exciting opportunities for investors. Within this dynamic landscape, … [Read More...]

Revolutionize Your Internet Experience with Orbi 960 – The Ultimate WiFi System

In a world where seamless connectivity is essential, slow and unreliable internet connections are a major problem. Whether you are running a business, … [Read More...]

Do You Need a VPN When Trading Cryptocurrency?

There’s no doubt that the biggest global industries in 2023 are tech-driven, while there remains a significant crossover between many of these … [Read More...]

Goodbye Bitcoin: the 3 alternative cryptocurrencies that have great upside potential, according to experts

Bitcoin has been a very lucrative investment for people that got into it early. One report from The Motley Fool pointed out that $10 of bitcoin … [Read More...]

Self-driving cars face their Achilles’ heel and may be targets of hackers

The market for self-driving cars is booming. Customers spent $22.22 billion on these autonomous vehicles in 2021 and they will likely spend more in … [Read More...]

How to avoid scams with bitcoin and other cryptocurrencies

Cryptocurrencies got a bad reputation when scams multiplied like ants on a piece of cake. Even today many people associate bitcoin and other … [Read More...]

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