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GoPhotonics offers a comprehensive range of Optical Amplifiers designed to increase optical signal power while maintaining signal quality across visible, near-infrared, and mid-infrared wavelength regions. These amplifiers include semiconductor optical amplifiers and rare-earth-doped fiber amplifiers that support applications ranging from spectroscopy and telecommunications to scientific research, remote sensing, interferometry, and medical systems.

Featuring technologies such as tapered semiconductor amplification, erbium-, ytterbium-, and holmium-doped fiber gain media, the portfolio provides solutions for continuous-wave and pulsed optical systems. With characteristics including high gain, polarization-maintaining operation, low noise performance, and flexible control interfaces, these amplifiers are designed to meet the requirements of modern photonic and laser-based platforms.

TOPTICA EAGLEYARD: Tapered Semiconductor Optical Amplifier for Spectroscopy

The miniTA Series from TOPTICA EAGLEYARD is a tapered semiconductor optical amplifier (SOA) that operates at a wavelength of 670 nm and delivers up to 0.8 W of output power. Part of the miniTA Series, the amplifier provides 15 dB of optical amplification and has a gain width of 10 nm (FWHM), making it suitable for spectroscopy applications requiring amplified visible-wavelength laser sources.

The amplifier produces a collimated output beam with a diameter of 1 mm and beam divergence of 3° in the parallel direction. It features a Transverse Electric (TE) polarized output and supports PM fiber with FC/APC connectivity. Integrated thermal management is provided through a thermoelectric cooler and thermistor, while the device operates with a forward current of up to 2 A. Available in a compact 14-pin butterfly package measuring 30 mm x 15.1 mm, the miniTA Series amplifier is designed for spectroscopy systems that require stable optical amplification and efficient fiber coupling.

Nuphoton Technologies: Ytterbium-Doped Fiber Amplifier for Nanosecond Pulse Amplification

The YDFA-NANO-PM-RS-Custom-FCA from Nuphoton Technologies is a ytterbium-doped fiber amplifier designed for amplification at 1064 nm. The amplifier delivers an output power of 20 dBm and supports peak powers of up to 100 W in pulsed operation. With a gain of 20 dB and pulse widths as short as 4 ns, the unit is optimized for applications requiring amplification of nanosecond laser signals.

The microprocessor-controlled amplifier operates in Automatic Current Control (ACC) mode and maintains a polarization extinction ratio greater than 20 dB. It supports 1 m loose-tube PM980 fibers with a core diameter of 900 µm and is compatible with FC/APC optical connectors and 30-pin electrical connectors. Control is provided via RS-232 and LVTTL interfaces, while power is supplied through a 12 V DC input. Measuring just 100 mm x 75 mm x 15 mm, the amplifier offers a compact solution for integration into pulsed fiber laser systems.

IPG Photonics: High-Power Erbium-Doped Fiber Amplifier for Scientific and Telecom Applications

The EAR-30-LP-SF from IPG Photonics is an erbium-doped fiber amplifier (EDFA) that operates over a wavelength range of 1545 nm to 1565 nm. Designed for continuous-wave operation, the amplifier delivers 30 W of output power and supports adjustable output levels from 3 W to 100 W, providing flexibility for a range of optical amplification requirements.

The linearly polarized amplifier maintains a polarization extinction ratio greater than 150:1 and offers maximum power stability of 1.5%. Operating from a universal AC supply voltage of 100 V to 240 V, the system consumes 420 W of power and is housed in a module measuring 448 mm x 403 mm x 132 mm. The amplifier is suitable for atom trapping and optical tweezers, remote sensing, holography and interferometry, as well as scientific, telecom, and medical applications.

Cybel: Holmium-Doped Fiber Amplifier for 2100 nm Applications

The HELIOS-AMP-2100 from Cybel is a holmium-doped fiber amplifier designed for operation at 2100 nm. The amplifier delivers output powers from 1 W to 5 W and provides 20 mW of amplified spontaneous emission (ASE) output. It features a signal linewidth below 3 MHz, enabling precise amplification at mid-infrared wavelengths.

The amplifier provides a polarization extinction ratio greater than 18 dB, beam quality factor (M²) of up to 1.1, and optical isolation of 30 dB. It supports both Automatic Current Control (ACC) and Automatic Power Control (APC) operating modes and can be controlled via a USB interface. Compatible with SM or PM 1950 armored fiber cable and FC/APC connectors, the amplifier operates from an 18 V to 30 V DC supply and consumes 200 W of power. Available in an OEM package measuring 200 mm x 150 mm x 43 mm, the HELIOS-AMP-2100 is ideal for test and measurement, high-energy physics, plastic processing, medical, interferometry, and spectroscopy applications.

Calmar Laser: Erbium-Doped Fiber Amplifier for C-Band Signal Amplification

The AMP-PM18 from Calmar Laser is an erbium-doped fiber amplifier that operates across the 1530 nm to 1565 nm wavelength range. It delivers an output power of 18 dBm and provides a small signal gain of 30 dB, making it suitable for optical signal amplification in C-band communication and laser systems.

The amplifier supports input power levels from -25 dBm to 10 dBm and maintains a noise figure below 5 dB with a polarization extinction ratio exceeding 20 dB. It supports PM 1550 fiber and FC/APC connectors, ensuring compatibility with polarization-maintaining optical networks and systems. The AMP-PM18 requires a warm-up time of less than 10 minutes and can be controlled via an RS232 interface. Available in a turnkey benchtop package measuring 34.9 cm x 43.7 cm x 10 cm, the amplifier is designed for seed laser amplification, C-band channel pre- and boost amplification, narrowband amplification in access and CATV networks, DWDM metro networks, core networks, and short-pulse amplification applications.

Supporting Advanced Optical Amplification Requirements

Optical amplifiers continue to play a critical role in enhancing signal strength across a broad range of photonic systems. The solutions featured on GoPhotonics span wavelengths from the visible spectrum to the mid-infrared region and incorporate a variety of amplification technologies tailored to specific application requirements.

Whether supporting spectroscopy with semiconductor optical amplification, enabling high-power C-band signal boosting with EDFAs, providing nanosecond pulse amplification with YDFAs, or delivering mid-infrared gain through holmium-doped fiber technology, these amplifiers offer the performance, stability, and integration flexibility required by modern optical systems. By providing detailed specifications, datasheets, and direct access to manufacturers, GoPhotonics helps engineers, researchers, and system designers identify the right optical amplification solution for their application needs.

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