LightWire FFS series
Compact Fiber Seeders for Femtosecond Lasers
LightWire FPS series fiber lasers are dedicated for seeding solid state Nd:YAG amplifiers. Compact, cost efficient FPS series models deliver sub‑10 ps pulses at 1064 nm wavelength with the average output power up to 200 mW and pulse energy up to 50 nJ.
Specifications
| Model | FFS100CHI | FFS200CHI | FFS200 |
|---|---|---|---|
| Main specifications 1) | |||
| Central wavelength 2) | 1030 ± 1 nm | 1030 ± 1 nm | 1064 nm |
| Typical spectral bandwidth (at FWHM) | up to 15 nm | up to 15 nm | > 20 nm |
| Pulse duration | Up to 30 ps, compressible down to < 200 fs | > 50 ps, compressible down to < 250 fs | < 140 fs |
| Chirp profile | linear, custom 3) | linear, custom 3) | NA |
| Pulse repetition rate with pulse picker 4) | 25 kHz – 50 MHz (PRR = PRRosc / N, N = 1, 5, 6, …, 2000) | 100 kHz – 50 MHz (PRR = PRRosc / N, N = 1, 5, 6, …, 500) | 25 kHz – 50 MHz (PRR = PRRosc / N, N = 1, 5, 6, …, 2000) |
| Output power (without/with pulse picker) | > 50 mW / > 25 mW | > 200 mW at 50 MHz > 100 mW at 1 MHz > 25 mW at 100 kHz | > 200 mW / > 100 mW |
| Pulse energy (without/with pulse picker) | > 1 nJ / > 0.5 nJ | > 250 nJ at repetition rates < 200 kHz | > 5 nJ / > 2.5 nJ |
| Polarization | linear, > 100:1 extinction | linear, > 100:1 extinction | linear, > 10:1 extinction |
| Optical output | FC/APC connector or collimator with mounting flange (optional) | collimator & isolator node 5) | FC/PC connector 6) or collimated beam (optional) |
| Output fiber length | up to 5 m | up to 3 m | up to 2 m |
| Beam diameter | 0.9 ± 0.1 mm | 0.9 ± 0.1 mm | 0.9 ± 0.1 mm |
| Beam height | NA | 38 mm | NA |
| Beam quality | M2 < 1.1 | M2 < 1.1 | M2 < 1.5 |
| Pulse train monitoring | photodiode output for oscillator train, TTL synch pulse for laser output (when pulse picker included) | photodiode output for oscillator train, TTL synch pulse for laser output (when pulse picker included) | photodiode output for oscillator train, TTL synch pulse for laser output (when pulse picker included) |
| Dimensions of collimator (D × L) | Ø33 × 11.76 mm | Ø33 × 11.76 mm | Ø33 × 11.76 mm |
| Control interface | CAN (USB, RS232, LAN optional) | CAN (USB, RS232, LAN optional) | CAN (USB, RS232, LAN optional) |
| Operating requirements | |||
| Room temperature | 10 – 30 °C | 10 – 30 °C | 10 – 30 °C |
| Relative humidity | not condensing | not condensing | not condensing |
| Power supply (AC/DC adapter included) | 100 – 240 V, 50 – 60 Hz AC | 100 – 240 V, 50 – 60 Hz AC | 100 – 240 V, 50 – 60 Hz AC |
| Power consumption | maximal 230 W (typical 60 W) | maximal 230 W (typical 60 W) | maximal 230 W (typical 60 W) |
| Model | FFS100CHI | FFS200CHI | FFS200 |
|---|
- Due to continuous improvement all specifications are subject to change without notice.
- Other wavelengths available on request for FFS100CHI/FFS200CHI.
- Chirp profile will be optimized by Ekspla to match customer compressor design.
- Pulse picker is an option for FFS100 and FFS200 models. It supports external gating. FFS200CHI includes internal frequency divider, which enables pulse repetition rate reduction but does not support external gating.
- FFS200CHI model is provided with collimator & isolator node with dimensions 138×66.6×52 mm.
- The connector is not suitable to connect with single mode fiber.
Ordering information of LightWire FFS series fiber seeders.
