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

Important Notice to Long-Term Shareholders of Cytokinetics, Inc. (NASDAQ: CYTK); Fluor Corporation (NYSE: FLR); and Fly-E Group, Inc. (NASDAQ: FLYE); and RCI Hospitality Holdings, Inc. (NASDAQ: RICK): Grabar Law Office is Investigating Claims on Your

PHILADELPHIA, Sept. 24, 2025 (GLOBE NEWSWIRE) --

Cytokinetics, Inc. (NASDAQ: CYTK):

Grabar Law Office is investigating claims on behalf of shareholders of Cytokinetics, Inc. (NASDAQ: CYTK). The investigation concerns whether certain officers and directors breached the fiduciary duties they owed to the company.

If you purchased Cytokinetics, Inc. (NASDAQ: CYTK) shares prior to December 27, 2023, and still hold shares today, you can seek corporate reforms, the return of funds back to the company, and a court approved incentive award at no cost to you whatsoever. Alternatively, if you purchased Cytokinetics shares between December 27, 2023 and May 6, 2025, you can participate in the class action. Please visit https://grabarlaw.com/the-latest/cytokinetics-shareholder-investigation/, contact Joshua Grabar at jgrabar@grabarlaw.com, or call 267-507-6085.

WHY? As alleged in a recently filed federal securities fraud class action complaint, Cytokinetics, Inc. (NASDAQ: CYTK), through certain of its officers made materially false and misleading statements on to the market, Specifically, on March 10, 2025, Cytokinetics disclosed that the U.S. Food and Drug Administration ("FDA") had decided not to convene an advisory committee meeting to review the Company's New Drug Application ("NDA") for aficamten. On May 1, 2025, Cytokinetics announced that the FDA had extended the Prescription Drug User Fee Act action date for aficamten's NDA from September 26, 2025 to December 26, 2025 in order to review a Risk Evaluation and Mitigation Strategy ("REMS") submitted at the FDA's request after the initial NDA filing, thereby disclosing that the Company had not included a REMS in the original NDA. Then, on May 6, 2025, Chief Executive Officer Robert I. Blum acknowledged that Cytokinetics had multiple pre-NDA meetings with the FDA to discuss safety monitoring and risk mitigation but chose to submit the NDA without a REMS, relying on labeling and voluntary education materials. These misleading statements and delayed disclosures caused the company and its shareholders significant harm.

WHAT YOU CAN DO NOW: If you purchased Cytokinetics, Inc. (NASDAQ: CYTK) shares prior to December 27, 2023, and still hold shares today, you are encouraged to visit https://grabarlaw.com/the-latest/cytokinetics-shareholder-investigation/, contact Joshua Grabar at jgrabar@grabarlaw.com, or call 267-507-6085. You can seek corporate reforms, the return of funds back to the company, and a court approved incentive award at no cost to you whatsoever. Alternatively, if you purchased Cytokinetics shares between December 27, 2023 and May 6, 2025, you can participate in the class action. $CYTK #Cytokinetics

Fluor Corporation (NYSE: FLR):

Grabar Law Office is investigating claims on behalf of shareholders of Fluor Corporation (NYSE: FLR). The investigation concerns whether certain officers and directors breached the fiduciary duties they owed to the company.

If you purchased Fluor Corporation (NYSE: FLR) shares prior to February 18, 2025, and still hold shares today, you can seek corporate reforms, the return of funds back to the company, and a court approved incentive award at no cost to you whatsoever. Alternatively, if you purchased Fluor shares between February 18, 2025 and July 31, 2025, you can participate in the class action. Please visit https://grabarlaw.com/the-latest/fluor-shareholder-investigation/, contact Joshua Grabar at jgrabar@grabarlaw.com, or call 267-507-6085.

WHY? As alleged in a recently filed federal securities fraud class action complaint, Fluor Corporation (NYSE: FLR), through certain of its officers, made materially false and/or misleading statements, as well as failed to disclose material adverse facts about the Company’s business, operations, and prospects. Specifically, Defendants failed to disclose to investors that: (1) costs associated with the Gordie Howe, I-635/LBJ, and I-35 projects were growing because of, inter alia, subcontractor design errors, price increases, and scheduling delays; (2) the foregoing, as well as customer reduction in capital spending and client hesitation around economic uncertainty, was having, or was likely to have, a significant negative impact on the Company’s business and financial results; (3) accordingly, Fluor’s financial guidance for FY 2025 was unreliable and/or unrealistic, the effectiveness of the Company’s risk mitigation strategy was overstated, and the impact of economic uncertainty on the Company’s business and financial results was understated; and (4) as a result, Defendants’ positive statements about the Company’s business, operations, and prospects were materially misleading and/or lacked a reasonable basis at all relevant times.

WHAT YOU CAN DO NOW: If you purchased Fluor Corporation (NYSE: FLR) shares prior to February 18, 2025, and still hold shares today, you are encouraged to visit https://grabarlaw.com/the-latest/fluor-shareholder-investigation/, contact Joshua Grabar at jgrabar@grabarlaw.com, or call 267-507-6085. You can seek corporate reforms, the return of funds back to the company, and a court approved incentive award at no cost to you whatsoever. Alternatively, if you purchased Fluor shares between February 18, 2025 and July 31, 2025, you can participate in the class action. $FLR #Fluor

Fly-E Group, Inc. (NASDAQ: FLYE):

Grabar Law Office is investigating claims on behalf of shareholders of Fly-E Group, Inc. (NASDAQ: FLYE). The investigation concerns whether certain officers and directors breached the fiduciary duties they owed to the company.

If you purchased Fly-E Group, Inc. (NASDAQ: FLYE) shares prior to July 15, 2025, and still hold shares today, you can seek corporate reforms, the return of funds back to the company, and a court approved incentive award at no cost to you whatsoever. Alternatively, if you purchased Fluor shares between July 15, 2025 and August 14, 2025, you can participate in the class action. Please visit https://grabarlaw.com/the-latest/flye-shareholder-investigation/, contact Joshua Grabar at jgrabar@grabarlaw.com, or call 267-507-6085.

WHY? As alleged in a recently filed federal securities fraud class action complaint, Fly-E Group, Inc. (NASDAQ: FLYE), through certain of its officers, made overwhelmingly positive statements to investors while, at the same time, disseminating materially false and misleading statements and/or concealing material adverse facts concerning the safety of Fly-E's lithium battery which in turn took a material toll on its E-vehicle sales revenue, despite making lofty long-term projections, Fly-E's forecasting processes fell short as sales continued to decline and operating expenses increased, ultimately, derailing Fly-E's revenue projections. When the true details entered the market, the lawsuit claims that investors suffered damages.

WHAT YOU CAN DO NOW: If you purchased Fly-E Group, Inc. (NASDAQ: FLYE) shares prior to July 15, 2025, and still hold shares today, you are encouraged to visit https://grabarlaw.com/the-latest/flye-shareholder-investigation/, contact Joshua Grabar at jgrabar@grabarlaw.com, or call 267-507-6085. You can seek corporate reforms, the return of funds back to the company, and a court approved incentive award at no cost to you whatsoever. Alternatively, if you purchased Fluor shares between July 15, 2025 and August 14, 2025, you can participate in the class action. #FLY-E $FLYE

RCI Hospitality Holdings, Inc. (NASDAQ: Rick):

Grabar Law Office is investigating claims on behalf of shareholders of RCI Hospitality Holdings, Inc. (NASDAQ: RICK). The investigation concerns whether certain officers and directors breached the fiduciary duties they owed to the company.

If you purchased RCI Hospitality Holdings, Inc. (NASDAQ: RICK), shares prior to December 15, 2021, and still hold shares today, you can seek corporate reforms, the return of funds back to the company, and a court approved incentive award at no cost to you whatsoever. Alternatively, if you purchased RCI Hospitality Holdings shares between December 15, 2021 and September 16, 2025, you can participate in the class action. Please visit https://grabarlaw.com/the-latest/rci-shareholder-investigation/, contact Joshua Grabar at jgrabar@grabarlaw.com, or call 267-507-6085.

WHY? As alleged in a recently filed federal securities fraud class action complaint, RCI Hospitality Holdings (NASDAQ: RICK), through certain of its officers, made materially false and/or misleading statements and/or failed to disclose that: (1) defendants engaged in tax fraud; (2) defendants committed bribery to cover up the fact that they committed tax fraud; (3) as a result, defendants understated the legal risk facing RCI Hospitality; and (4) as a result, defendants' statements about its business, operations, and prospects, were materially false and misleading and/or lacked a reasonable basis at all relevant times.

Specifically, New York prosecutors announced a recently unsealed 79-count indictment against five top RCI executives, including president and CEO Eric Langan and controller Timothy Winata.
The indictments allege that the executives bribed an unnamed tax auditor with expensive lap dances for more than a decade to avoid paying $8 million in New York City sales tax and gave him free trips to Florida strip clubs.

In light of the criminal charges, it is alleged that RCI's public financial statements since at least 2021 have been "materially false and misleading" because they failed to disclose RCI's role in the tax fraud and bribery scheme.

WHAT YOU CAN DO NOW: If you purchased RCI Hospitality Holdings, Inc. (NASDAQ: RICK), shares prior to December 15, 2021, and still hold shares today, you are encouraged to visit https://grabarlaw.com/the-latest/rci-shareholder-investigation/, contact Joshua Grabar at jgrabar@grabarlaw.com, or call 267-507-6085. You can seek corporate reforms, the return of funds back to the company, and a court approved incentive award at no cost to you whatsoever. Alternatively, if you purchased RCI Hospitality Holdings shares between December 15, 2021 and September 16, 2025, you can participate in the class action. $RICK #RICKS #RCIHospitality

Attorney Advertising Disclaimer

Contact:
Joshua H. Grabar, Esq.
Grabar Law Office
One Liberty Place
1650 Market Street, Suite 3600
Philadelphia, PA 19103
Tel:  267-507-6085
Email: jgrabar@grabarlaw.com


Primary Logo

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.