• Wavelength Stabilized ± 1 nm
• High-Brightness Output
• 105 µm High-Brightness Fiber Core
• Integrated Feedback Isolation (30 dB)
• 45% Electrical-to-Optical Efficiency
• Rugged Industrial Package
• Fiber laser pumping
• Solid-state laser pumping
• Scientific research
• Defense & Aerospace
• Direct diode systems
| SPECIFICATIONS ( 25°C ) | SYMBOL | UNIT | K981BN1RN-140.0W | |||
|---|---|---|---|---|---|---|
| MINIMUM | TYPICAL | MAXIMUM | ||||
| OPTICAL DATA(1) | CW Output Power | Po | W | 140.0 | — | — |
| Center Wavelength | λc | nm | 981 ± 1 | |||
| Spectral Width (FWHM) | Δλ | nm | — | 0.7 | 1 | |
| Wavelength Shift / Temp | Δλ/ΔT | nm/°C | — | 0.03 | — | |
| Wavelength Locking Range | — | A | (Iop – 2A) ~ Iop @ 25°C | |||
| ELECTRICAL DATA | Electrical-to-Optical Efficiency | PE | % | — | 45 | — |
| Threshold Current | Ith | A | — | 1.0 | — | |
| Operating Current | Iop | A | — | 13.0 | 15.0 | |
| Operating Voltage | Vop | V | — | 22.5 | 25.0 | |
| Slope Efficiency | η | W/A | — | 11.0 | — | |
| FIBER DATA | Core Diameter | Dcore | μm | — | 105 | — |
| Cladding Diameter | Dclad | μm | — | 125 | — | |
| Numeric Aperture | NA | — | — | 0.22 | — | |
| Fiber Length | Lf | m | — | 2 | — | |
| Fiber Loose Tubing Diameter | — | mm | — | 0.9 | — | |
| Minimum Bending Radius | — | mm | 50 | — | — | |
| Fiber Termination | — | FC-Ferrule | ||||
| FEEDBACK ISOLATION | Wavelength Range | — | nm | 1020 ~ 1200 | ||
| Isolation | — | dB | — | 30 | — | |
| OTHERS | ESD | Vesd | V | — | — | 500 |
| Storage Temperature(2) | Tst | °C | -20 | — | 70 | |
| Lead Soldering Temp | Tls | °C | — | — | 260 | |
| Lead Soldering Time | t | sec | — | — | 10 | |
| Operating Case Temp(3) | Top | °C | — | 25 | — | |
| Relative Humidity | RH | % | 15 | — | 75 | |
Pair your diode with the right driver and temperature controller for stable, reliable performance.
Precise, low-noise current control for optimal diode performance and extended lifetime.
View Drivers
Active thermal management for wavelength stability and consistent output power.
View TEC ControllersWe offer custom laser diodes according to your needs, either high-power or low-power versions, fiber-coupled or free-space, specific wavelengths, wavelength-stabilized options, and single or multi-emitter diodes. To discuss your custom laser diode needs, you can contact us by sending an email or using the contact form.
