Laser Focus World is an industry bedrock—first published in 1965 and still going strong. We publish original articles about cutting-edge advances in lasers, optics, photonics, sensors, and quantum technologies, as well as test and measurement, and the shift currently underway to usher in the photonic integrated circuits, optical interconnects, and copackaged electronics and photonics to deliver the speed and efficiency essential for data centers of the future.

Our 80,000 qualified print subscribers—and 130,000 12-month engaged online audience—trust us to dive in and provide original journalism you won’t find elsewhere covering key emerging areas such as laser-driven inertial confinement fusion, lasers in space, integrated photonics, chipscale lasers, LiDAR, metasurfaces, high-energy laser weaponry, photonic crystals, and quantum computing/sensors/communications. We cover the innovations driving these markets.

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Editorial Advisory Board

  • Professor Andrea M. Armani, University of Southern California
  • Ruti Ben-Shlomi, Ph.D., LightSolver
  • James Butler, Ph.D., Hamamatsu
  • Natalie Fardian-Melamed, Ph.D., Columbia University
  • Justin Sigley, Ph.D., AmeriCOM
  • Professor Birgit Stiller, Max Planck Institute for the Science of Light, and Leibniz University of Hannover
  • Professor Stephen Sweeney, University of Glasgow
  • Mohan Wang, Ph.D., University of Oxford
  • Professor Xuchen Wang, Harbin Engineering University
  • Professor Stefan Witte, Delft University of Technology

New Book by Craig Jasper Titled “The Janitor on Cancer” on Amazon Flash Sale

The Janitor on Cancer is an extraordinary guide to navigating the complexities of cancer recovery. Craig Jasper, affectionately known as “The Janitor on Cancer,” brings a unique perspective. Through his firsthand experiences working with cancer patients and as a cancer survivor, Craig shares valuable insights, practical tips, and heartfelt stories to help readers avoid common mistakes and find their path to healing.

In this book, Craig goes beyond the conventional approach to offer a fresh perspective on recovery. From maintaining a clean and germ-free environment to understanding the impact of cancer treatments on the body, he covers various topics essential for a successful recovery journey. With compassion and a genuine desire to make a difference, Craig empowers readers to take charge of their health and well-being.

Craig states, “Keeping your home fresh and healthy is essential, especially when diagnosed with cancer because the immune system is often weakened during cancer treatment. A germ-free and clean environment can help prevent infections, which can be very dangerous for cancer patients. Chemotherapy and radiation therapy can lower the body’s ability to fight infections, making it more vulnerable to viruses, bacteria, and other germs. Exposure to these germs can lead to severe infections that delay or halt cancer treatment. Cancer treatments can also cause side effects such as nausea, vomiting, and diarrhea, which can spread germs and bacteria around the home. Keeping your home clean and tidy can reduce the risk of these side effects, making it easier to manage cancer treatment.”

When asked about his motivation for writing the book, Craig replied, “When someone is diagnosed with cancer, I get called to clean. A common cold could be fatal, so I am hired to clean, disinfect, and treat so that the patient can have a safe environment until the immune system can rebuild and replenish. In this book, I will give you information on products you can use that are safe, green, and effective because not everyone can afford to hire a professional. I wrote this book to help you discover how keeping your home clean can help prevent infections, minimize side effects, and ensure a safe and comfortable environment for cancer patients.”

The book can be purchased on a special flash sale Monday, October 21, 2024 at: 

https://www.amazon.com/dp/B0DHWGRXR8

About Craig Jasper:

With more than 30 years of expertise in cleaning and decontaminating cancer patients’ homes, Craig Jasper has a thorough grasp of the particular difficulties cancer patients and their families face. He instructs cleaners on safely and effectively cleaning for people with allergies and cancer as an IICRC (Institute of Inspections, Cleaning, and Restoration Certification)-approved instructor.

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