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.

Laser Focus World is part of Endeavor Business Media, a division of EndeavorB2B.

Laser Focus World Membership

Never miss any articles, videos, podcasts, or webinars by signing up for membership access to Laser Focus World online. You can manage your preferences all in one place—and provide our editorial team with your valued feedback.

Magazine Subscription

Can you subscribe to receive our print issue for free? Yes, you sure can!

Newsletter Subscription

Laser Focus World newsletter subscription is free to qualified professionals:

The Daily Beam

Showcases the newest content from Laser Focus World, including photonics- and optics-based applications, components, research, and trends. (Daily)

Product Watch

The latest in products within the photonics industry. (9x per year)

Bio & Life Sciences Product Watch

The latest in products within the biophotonics industry. (4x per year)

Laser Processing Product Watch

The latest in products within the laser processing industry. (3x per year)

Get Published!

If you’d like to write an article for us, reach out with a short pitch to Sally Cole Johnson: [email protected]. We love to hear from you.

Photonics Hot List

Laser Focus World produces a video newscast that gives a peek into what’s happening in the world of photonics.

Following the Photons: A Photonics Podcast

Following the Photons: A Photonics Podcast dives deep into the fascinating world of photonics. Our weekly episodes feature interviews and discussions with industry and research experts, providing valuable perspectives on the issues, technologies, and trends shaping the photonics community.

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

3 Healthcare Stocks That Fall Short

COO Cover Image

Healthcare companies are pushing the status quo by innovating in areas like drug development and digital health. But financial performance has lagged recently as players offloaded surplus COVID inventories in 2023 and 2024, a headwind for overall demand. The result? Over the past six months, the industry has tumbled by 1.4%. This performance is a stark contrast from the S&P 500’s 15.7% gain.

Investors should tread carefully as the influx of venture capital has also ushered in a new wave of competition. Keeping that in mind, here are three healthcare stocks best left ignored.

CooperCompanies (COO)

Market Cap: $13.3 billion

With a history dating back to 1958 and a portfolio spanning two distinct healthcare segments, Cooper Companies (NASDAQ: COO) develops and manufactures medical devices focused on vision care through contact lenses and women's health including fertility products and services.

Why Does COO Worry Us?

  1. Sales trends were unexciting over the last two years as its 7.3% annual growth was below the typical healthcare company
  2. 8.3 percentage point decline in its free cash flow margin over the last five years reflects the company’s increased investments to defend its market position
  3. ROIC of 5.1% reflects management’s challenges in identifying attractive investment opportunities

CooperCompanies is trading at $66.99 per share, or 15.4x forward P/E. Dive into our free research report to see why there are better opportunities than COO.

U.S. Physical Therapy (USPH)

Market Cap: $1.25 billion

With a nationwide footprint spanning 671 clinics across 42 states, U.S. Physical Therapy (NYSE: USPH) operates a network of outpatient physical therapy clinics and provides industrial injury prevention services to employers across the United States.

Why Do We Think Twice About USPH?

  1. Subscale operations are evident in its revenue base of $729.6 million, meaning it has fewer distribution channels than its larger rivals
  2. Free cash flow margin dropped by 9 percentage points over the last five years, implying the company became more capital intensive as competition picked up
  3. Waning returns on capital imply its previous profit engines are losing steam

U.S. Physical Therapy’s stock price of $82.52 implies a valuation ratio of 31.8x forward P/E. Read our free research report to see why you should think twice about including USPH in your portfolio.

Illumina (ILMN)

Market Cap: $14.18 billion

Pioneering the ability to read the human genome at unprecedented speed and affordability, Illumina (NASDAQ: ILMN) develops and sells advanced DNA sequencing and microarray technologies that allow researchers and clinicians to analyze genetic variations and functions.

Why Do We Pass on ILMN?

  1. Organic sales performance over the past two years indicates the company may need to make strategic adjustments or rely on M&A to catalyze faster growth
  2. Earnings per share fell by 6.3% annually over the last five years while its revenue grew, partly because it diluted shareholders
  3. Low returns on capital reflect management’s struggle to allocate funds effectively

At $92.16 per share, Illumina trades at 20.7x forward P/E. To fully understand why you should be careful with ILMN, check out our full research report (it’s free).

High-Quality Stocks for All Market Conditions

Trump’s April 2025 tariff bombshell triggered a massive market selloff, but stocks have since staged an impressive recovery, leaving those who panic sold on the sidelines.

Take advantage of the rebound by checking out our Top 5 Growth Stocks for this month. This is a curated list of our High Quality stocks that have generated a market-beating return of 183% over the last five years (as of March 31st 2025).

Stocks that made our list in 2020 include now familiar names such as Nvidia (+1,545% between March 2020 and March 2025) as well as under-the-radar businesses like the once-micro-cap company Kadant (+351% five-year return). Find your next big winner with StockStory today for free. Find your next big winner with StockStory today. Find your next big winner with StockStory today

StockStory is growing and hiring equity analyst and marketing roles. Are you a 0 to 1 builder passionate about the markets and AI? See the open roles here.

Stock Quote API & Stock News API supplied by www.cloudquote.io
Quotes delayed at least 20 minutes.
By accessing this page, you agree to the following
Privacy Policy and Terms Of Service.