Subscription Forms for our Publications: For more information about subscribing, please contact Heidi Miller, Circulation Manager, at Heidi.Miller@laurin.com. For more information about our publications, editorial and advertising information, click here. Photonics Buyers' Guide - Subscriber's Edition    The Photonics Buyers' Guide has been the industry's only complete resource since 1954. The Buyers' Guide is still considered to be the most trusted reference for photonics technology, providing listings for over 4000 companies under more than 1600 product and service categories. Photonics Spectra Magazine - Free to Qualified Subscribers    Since 1967, Photonics Spectra magazine has defined the science and industry of photonics, providing business news and technology solutions to readers in the optics, lasers, imaging, fiber optics, electro-optics and photonics component manufacturing industries. BioPhotonics Magazine - Free to Qualified Subscribers    BioPhotonics presents the latest global developments and techniques from the photonics industry to readers in the fields of medicine and biotechnology. Photonics Spectrum Reference Wall Chart    The Photonics Spectrum Reference Wall Chart displays the major commercial laser lines in the ultraviolet to the far-infrared and beyond. Actual size: Actual size: 30 × 20.5 inches. Subscribe to our free e-newsletters.    Weekly: Photonics.com; Monthly: PhotonicsSpectra.com and Biophotonics.com; and several others.