Coherent Introduces Next-Generation Polarization-Maintaining Optical Fiber
Coherent (NYSE: COHR) announced on October 28, 2025 the launch of a next‑generation polarization‑maintaining optical fiber, model PLMA‑EYDF‑25P/300‑XPH‑11FA, engineered for narrow‑linewidth and single‑frequency 1550 nm amplifiers.
The fiber features a larger mode effective area, improved polarization maintenance, reduced non‑linear effects, greater power scalability, low 1 µm ASE noise, and a matched passive fiber PLMA‑GDF‑25/300 to maximize beam quality and polarization extinction ratio. Target applications include long‑range LIDAR for wind energy and air‑traffic sensing, high‑precision materials processing, quantum technology, medical lasers, and scientific research.
Coherent (NYSE: COHR) ha annunciato il 28 ottobre 2025 il lancio di una fibra ottica a controllo di polarizzazione di nuova generazione, modello PLMA‑EYDF‑25P/300‑XPH‑11FA, progettata per amplificatori a banda stretta di riga e a frequenza singola a 1550 nm.
La fibra presenta una maggiore area efficace di mode, miglior mantenimento della polarizzazione, minori effetti non lineari, maggiore scalabilità di potenza, bassa rumorosità ASE a 1 µm e una fibra passiva abbinata PLMA‑GDF‑25/300 per massimizzare la qualità del fascio e il rapporto di estinzione della polarizzazione. Le applicazioni previste includono LIDAR a lungo raggio per l'energia eolica e la rilevazione di traffico aereo, lavorazioni ad alta precisione dei materiali, tecnologia quantistica, laser medici e ricerca scientifica.
Coherent (NYSE: COHR) anunció el 28 de octubre de 2025 el lanzamiento de una fibra óptica de última generación capaz de mantener la polarización, modelo PLMA‑EYDF‑25P/300‑XPH‑11FA, diseñada para amplificadores de 1550 nm de banda estrecha y de frecuencia única.
La fibra presenta una mayor área eficaz de modo, mejor mantenimiento de la polarización, reducción de efectos no lineales, mayor escalabilidad de potencia, baja ruido ASE a 1 µm y una fibra pasiva emparejada PLMA‑GDF‑25/300 para maximizar la calidad del haz y la relación de extinción de polarización. Las aplicaciones previstas incluyen LIDAR de largo alcance para energía eólica y detección de tráfico aéreo, procesamiento de materiales de alta precisión, tecnología cuántica, láseres médicos e investigación científica.
Coherent (NYSE: COHR)는 2025년 10월 28일에 편광 유지형 차세대 광섬유 모델 PLMA‑EYDF‑25P/300‑XPH‑11FA의 출시를 발표했으며, 이는 좁은 선폭 및 단일 주파수 1550 nm 증폭기에 맞춰 설계되었습니다.
이 섬유는 더 큰 모드 유효 영역, 개선된 편광 유지, 비선형 효과 감소, 더 큰 전력 확장성, 1 µm ASE 잡음 감소, 그리고 빔 품질과 편광 소거비를 극대화하기 위한 매칭 수동 섬유 PLMA‑GDF‑25/300를 갖추고 있습니다. 예비 적용 분야로는 풍력 에너지 및 항공 교통 감지를 위한 장거리 레이저 거리 측정(LIDAR), 고정밀 재료 가공, 양자 기술, 의료 레이저, 기초 과학 연구가 포함됩니다.
Coherent (NYSE: COHR) a annoncé le 28 octobre 2025 le lancement d’une fibre optique à maintien de polarisation de nouvelle génération, modèle PLMA‑EYDF‑25P/300‑XPH‑11FA, conçue pour les amplificateurs à largeur de ligne étroite et à fréquence unique de 1550 nm.
La fibre présente une aire efficace de mode plus grande, un meilleur maintien de la polarisation, une réduction des effets non linéaires, une meilleure évolutivité de la puissance, un bruit ASE à 1 µm faible et une fibre passive assortie PLMA‑GDF‑25/300 pour maximiser la qualité du faisceau et le ratio d’extinction de polarisation. Les applications visées incluent le LIDAR longue portée pour l’énergie éolienne et la détection du trafic aérien, le traitement des matériaux à haute précision, la technologie quantique, les lasers médicaux et la recherche scientifique.
Coherent (NYSE: COHR) kündigte am 28. Oktober 2025 die Einführung einer next‑generation Polarisation‑erhaltenden Faser, Modell PLMA‑EYDF‑25P/300‑XPH‑11FA, an, die für engbandige und eindfrequente 1550 nm‑Verstärker entwickelt wurde.
Die Faser zeichnet sich durch eine größere Modenübertragungsfläche, verbesserte Polarisationsstabilität, reduzierte nichtlineare Effekte, größere Leistungsskalierbarkeit, geringe ASE-Rauschen bei 1 µm und eine passende passive Faser PLMA‑GDF‑25/300 aus, um die Strahlqualität und das Polarisations‑Einstellverhältnis zu maximieren. Zielanwendungen umfassen Langstrecken‑LIDAR für Windenergie- und Flugverkehrsüberwachung, hochpräzise Materialbearbeitung, Quanten‑technologie, medizinische Laser und wissenschaftliche Forschung.
كوهرينت (NYSE: COHR) أعلنت في 28 أكتوبر 2025 عن إطلاق ألياف بصرية ذات حفظ الاستقطاب من الجيل الجديد، النموذج PLMA‑EYDF‑25P/300‑XPH‑11FA، مصممة لمضاعفات 1550 نانومتر ذات خط ضيق وتردد واحد.
وتتميز الألياف بزيادة المساحة الوضعية الفعالة، وتحسين حفظ الاستقطاب، وتقليل التأثيرات غير الخطية، وزيادة قابلية توسيع القدرة، وانخفاض ضوضاء ASE عند 1 ميكرومتر، وألياف سلبية مطابقة PLMA‑GDF‑25/300 لتعظيم جودة الشعاع ونسبة استنفاد الاستقطاب. التطبيقات المستهدفة تشمل LIDAR بعيد المدى للطاقة الرياح ورصد حركة المرور الجوية، ومعالجة المواد بدقة عالية، والتقنية الكمّية، وليزرًا طبيًا، والبحوث العلمية.
Coherent (NYSE: COHR) 在 2025年10月28日 宣布推出下一代保持偏振的光纤，型号 PLMA‑EYDF‑25P/300‑XPH‑11FA，为窄线宽、单频率的 1550 nm 放大器而设计。
该光纤具有更大的模式有效面积、改进的偏振保持、降低非线性效应、更高的功率可扩展性、1 µm ASE 噪声较低，以及匹配的无源光纤 PLMA‑GDF‑25/300，以最大化束质量和偏振消光比。目标应用包括用于风能的远程成像激光雷达（LIDAR）和航空交通监测、高精度材料加工、量子技术、医疗激光器以及科学研究。
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Insights
Coherent launches a next‑generation polarization‑maintaining fiber aimed at higher power, lower noise 1550 nm fiber lasers.
Coherent introduces the PLMA‑EYDF‑25P/300‑XPH‑11FA fiber on
The commercial value depends on integration with matched passive fiber (PLMA‑GDF‑25/300) and customer qualification cycles for systems like wind‑energy LIDAR and air‑traffic sensing. Key risks include real‑world qualification speed and manufacturing yield versus performance claims. Watch adoption metrics and customer qualification milestones over the next 6–18 months to judge market traction.
SAXONBURG, Pa., Oct. 28, 2025 (GLOBE NEWSWIRE) -- Coherent Corp. (NYSE: COHR), a global leader in photonics, today announces the launch of its next generation polarization-maintaining optical fiber, engineered to deliver superior performance and reliability for the high-performance fiber laser market.
Also known as PLMA-EYDF-25P/300-XPH-11FA, it is designed to significantly enhance the performance, reliability and power scalability of narrow-linewidth and single frequency 1550 nm amplifiers. Such systems are particularly suited for long range LIDAR applications in rapidly growing markets such as wind energy and air-traffic advanced sensing.
This innovative product features a larger mode effective area and enhanced polarization maintaining performance, which effectively mitigates non-linear effects and enables greater power scalability. It delivers superior pointing stability, along with low 1 µm ASE noise. When paired with its matched passive fiber (PLMA-GDF-25/300), this new fiber maximizes beam quality and polarization extinction ratio. This new product represents a major advancement in fiber laser technology, addressing the critical need for accessible, high performance narrow line width 1550 nm fiber lasers.
"We are excited to introduce this cutting-edge PLMA fiber to the market," said Dr. Clemence Jollivet, Sr. Director, General Manager of the Fiber Division at Coherent. "By leveraging our advanced material science, waveguide design, and manufacturing expertise, we have developed a product with a best-in-class doped core material. It marks a significant leap forward in laser technology, offering customers the superior performance and reliability required for their most demanding applications."
This new PLMA fiber is ideal for a wide range of other applications, including high-precision materials processing, advanced long range LIDAR systems, quantum technology applications, medical laser systems, and scientific research.
Coherent is committed to providing its customers with the highest quality optical fiber solutions. This new PLMA fiber is the latest example of the company's dedication to innovation and excellence.
About Coherent
Coherent is the global photonics leader. We harness photons to drive innovation. Industry leaders in the datacenter, communications, and industrial markets rely on Coherent’s world-leading technology to fuel their own innovation and growth.
Founded in 1971 and operating in more than 20 countries, Coherent brings the industry’s broadest, deepest technology stack; unmatched supply chain resilience; and global scale to help its customers solve their toughest technology. For more information, please visit us at coherent.com.
Media Contact:
innovations@coherent.com
A photo accompanying this announcement is available at https://www.globenewswire.com/NewsRoom/AttachmentNg/3c84700d-70d8-4d8b-bfb3-b23556a68b82
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