Laser and Amplifier

LMA-HDF-25/250, Ho-Doped Double Clad, Optical Fiber

SKU: LMA-HDF-25/250

True LMA fiber featuring a unique low NA (< 0.1) high concentration Ho-doped core design. The Ho-doped fiber can be pumped by a Tm-doped fiber laser at ~1950-nm and can achieve 60% efficiency. The high NA (0.46) large pump cladding waveguide allows for efficient coupling of high pump powers. The large core diameter (25µm) maintains a large mode field diameter and short device length, thereby minimizing non-linear effects such as SBS and SRS.

LMA-HTF-40/250/400, Ho-Doped Triple Clad, Optical Fiber

SKU: LMA-HTF-40/250/400

True LMA fiber featuring a unique low NA (< 0.1) high concentration Ho-doped core design. The Ho-doped fiber can be pumped by a Tm-doped fiber laser at ~1950 nm and can achieve 60% efficiency. The Ho-doped fiber features a unique all-glass cladding design with a 40 µm diameter Ho-doped core, a glass inner cladding diameter of 250 µm, a 320 µm 0.22NA index depressed outer glass cladding for the pump radiation and a fluoroacrylate outer polymer jacket (40/250/320/400).

SM-HDF-10/130, Ho-Doped Double Clad Optical Fiber

SKU: SM-HDF-10/130

SM fiber featuring a high concentration Ho-doped core design. The Ho-doped fiber can be pumped by a Tm-doped fiber laser at ~1950-nm and can achieve 60% efficiency. The high NA (0.46) large pump cladding waveguide allows for efficient coupling of high pump powers, but with its small core size this fiber can easily be core-pumped as well. This fiber features a single mode large core/cladding ratio with a low NA and is ideally suited for both CW and pulsed laser applications.

PM-TSF-9/125, Panda-Type Tm-Doped Select Cutoff PM Optical Fiber

SKU: PM-TSF-9/125

This single clad, small core diameter fiber is designed specifically for use in core-pumped cavities. As the fiber is polarization maintaining, it is also suitable for applications requiring linearly polarized output.

This product requires a purchase of a minimum quantity of : 2

LMA-TDF-25P/400-HE, Tm-Doped Double Clad, w/Pedestal, Optical Fiber

SKU: LMA-TDF-25P/400-HE

True LMA fiber featuring a unique low NA (<0.1) high concentration Tm-doped core design. It is fully optimized for high slope efficiency (composition has demonstrated > 130% quantum efficiency) when pumped at 793 nm. This extraordinary efficiency is due to composition enabled cross relaxation of Thulium ions in the core. The high TM concentration allows short device lengths and high pump conversion efficiency while the low NA (few moded) core design is ideal for applications where robust single-mode beam quality is critical. The high NA (0.46) 400 µm pump cladding waveguide allows for efficient coupling of high pump powers. The large core diameter (25 µm) maintains a large field diameter and short device length, thereby minimizing non-linear effects such as SBS and SRS.

LMA-TDF-25P/250-HE, Tm-Doped Double Clad, w/Pedestal, Optical Fiber

SKU: LMA-TDF-25P/250-HE

The first true LMA fibers featuring a unique low NA (0.1) Tm-doped core design and fully optimized for high slope efficiency when pumped at 793nm. This extraordinary efficiency is due to composition enabled cross relaxation of Thulium ions in the core. Both fibers feature a 25 µm core and a 250 µm clad diameter design allowing for a large mode field diameter and short device lengths thereby minimizing non-linear effects such as SBS and SRS. The - HE fiber features a high Tm-concentration with high pump conversion efficiency optimized for operation in the higher 2 µm wavelength gain spectrum. The -LC fiber features a lower concentration Tm-concentration that operates in the shorter wavelength region of the gain spectrum with improved performance.

PLMA-TDF-25P/400-HE, PM Tm-Doped Double Clad, w/Pedestal, Optical Fiber

SKU: PLMA-TDF-25P/400-HE

True LMA fiber featuring a unique low NA (<0.1) high concentration Tm-doped core design. It is fully optimized for high slope efficiency (composition has demonstrated > 130% quantum efficiency) when pumped at 793 nm. This extraordinary efficiency is due to composition enabled cross relaxation of Thulium ions in the core. The high Tm concentration allows short device lengths and high pump conversion efficiency while the low NA (few moded) core design is ideal for applications where robust single-mode beam quality is critical. The high NA (0.46) 400 µm pump cladding wavelength allows for efficient coupling of high pump powers. The large core diameter (25 µm) maintains a large mode field diameter and short device length, thereby minimizing non-linear effects such as SBS and SRS.

SM-TSF-9/125, Tm-Doped Select Cutoff SM Optical Fiber

SKU: SM-TSF-9/125

This single clad, small core diameter fiber is designed specifically for use in core-pumped cavities. As the fiber is polarization maintaining, it is also suitable for applications requiring linearly polarized output.

This product requires a purchase of a minimum quantity of : 3

SM-TDF-10P/130-HE, Tm-Doped Double Clad, w/Pedestal, Optical Fiber

SKU: SM-TDF-10P/130-HE

Coherent Thulium-doped double clad fiber utilizes a glass composition specifically optimized for highly efficient operation around the important 2 µm wavelength when pumped at ~793 nm. These small core fibers facilitate highly efficient single-mode operation while the telcom-like 130 µm cladding diameter makes handling, including cleaving and splicing, as simple as possible.

PM-GDF-10/130-2000-M, Matched Passive PM Double Clad, Optical Fiber

SKU: PM-GDF-10/130-2000-M

This Coherent precision matched polarization maintaining passive double-clad fiber features a 10 µm core diameter and a 130 µm clad diameter. It is optimized to match Coherent active Tm-doped 10P/130 µm polarization maintaining fiber. This precise matching allows for the lowest splice loss improving performance for all applications including low to mid-power CW and pulsed fiber lasers and amplifiers operating in the 2 µm wavelength range. The small core low NA fiber facilitates highly efficient single-mode operation while the telecom-like 130 µm cladding diameter makes handling, including cleaving and splicing, as simple as possible.

This product requires a purchase of a minimum quantity of : 12

LMA-TDF-25P/250-LC, Tm-Doped Double Clad, Optical Fiber

SKU: LMA-TDF-25P/250-LC

The first true LMA fibers featuring a unique low NA (0.1) Tm-doped core design and fully optimized for high slope efficiency when pumped at 793 nm. This extraordinary efficiency is due to composition enabled cross relaxation of Thulium ions in the core. Both fibers fearure a 25 µm core and a 250 µm clad daimeter design allowing for a large mode field diameter and short device lengths thereby minimizing non-linear effects such as SBS and SRS. The - HE fiber features a high Tm-concentration with high pump conversion efficiency optimized for operation in the higher 2 µm wavelength gain spectrum. The -LC fiber features a lower concentration Tm-concentration that operates in the shorter wavelength region of the gain spectrum with improved performance.

SM-TSF-5/125, Tm-Doped Select Cutoff SM, Optical Fiber

SKU: SM-TSF-5/125

This single clad, small core diameter fiber features a very highly Tm-doped core region (~7% Tm) and is ideally suited for core pumping, enabling very short laser cavities required in producing ultra-fast fiber lasers with high slope efficiency under resonant pumping. The 5 µm core diameter with its 0.24 NA, together, offer superior single-mode operation and excellent bending performance.

This product requires a purchase of a minimum quantity of : 3

FUD-3915, PM-GDF-10/130-15FA, Optical Fiber

SKU: FUD-3915

You have selected an application designed fiber, not fully released which may have a longer lead time than our standard products.

LMA-TDF-25P/400-M, Matched Tm-Doped Double Clad, w/Pedestal, Optical Fiber

SKU: LMA-TDF-25P/400-M

Coherent introduces the newest series of large-mode area, high efficiency Thulium-doped double clad fibers inspired from the most recent advances in thulium-doped technology. The glass composition is improved to maximize the cross-relaxation process in order to achieve 2 mm efficiencies around 60% and higher when pumping at ~793 nm. In combination with the 400 mm, 0.46 NA pump cladding design, these fibers are ideal candidates for high power laser and amplifier applications. In addition, the core & pedestal waveguide design are specifically tailored to offer improved single-mode beam quality via efficient higher-order mode suppression while ensuring highly reliable splicing and easy handling and cleaving. Both fibers feature a 25 µm core (0.09 NA) and a 400 µm clad diameter allowing for a large mode field diameter and short device lengths thereby minimizing non-linear effects such as SBS and SRS. The LMA-TDF-25P/400-M fiber is compatible with the NuMATCH passive fiber family offering unique compatibility performances at 2 µm. The fiber design is also available in polarization maintaining design (PLMA-TDF-25P/400-HE).

SM-TDF-10P/130-M, Matched Tm-Doped Double Clad, w/Pedestal, Optical Fiber

SKU: SM-TDF-10P/130-M

Coherent thulium-doped double clad fibers utilize glass compositions specifically optimized for high degree of cross-relaxations between Tm ions enabling efficient conversion of 793 nm pump photons into signal photons at 2 µm. The precision matched -M fiber version offers even higher absorption and efficiency than the -HE version. In addition, the waveguide design in the -M version is specifically tailored to offer a truly single-mode operation in monolithic fiber laser/amplifier systems when spliced to the precision matched passive fibers. These fibers, along with matching passive fibers, are available in 130 µm cladding diameter for ease of handling, cleaving and splicing, enabling reliable manufacturing of low power, eye-safe, fiber lasers and amplifiers.

BD-G25/400-11FA, Germanium Core Specialty Multimode, Optical Fiber

SKU: BD-G25/400-11FA

Coherent passive, low-index specialty beam delivery fibers are designed to mode-match with standard Coherent Ytterbium-doped fibers such as LMA-YDF-20/400-M and LMA-YDF-30/250-M. These germanium-doped fibers are available with a high 0.11 NA and 25 micron core, in both 250 and 400 micron form factors. Both offerings have NuCOATFA coating technology, which provides an extended operating life at the high power levels demanded by today’s industrial fiber laser applications. As with all Coherent fibers, they are drawn in a clean room and prooftested to a high level, allowing them to carry high powers for a long, worry-free lifetime.

This product requires a purchase of a minimum quantity of : 10

BD-G25/250-11FA, Germanium Core Specialty Multimode Optical Fiber

SKU: BD-G25/250-11FA

Coherent passive, low-index specialty beam delivery fibers are designed to mode-match with standard Coherent Ytterbium-doped fibers such as LMA-YDF-20/400-M and LMA-YDF-30/250-M. These germanium-doped fibers are available with a high 0.11 NA and 25 micron core, in both 250 and 400 micron form factors. Both offerings have NuCOATFA coating technology, which provides an extended operating life at the high power levels demanded by today’s industrial fiber laser applications. As with all Coherent fibers, they are drawn in a clean room and prooftested to a high level, allowing them to carry high powers for a long, worry-free lifetime.

This product requires a purchase of a minimum quantity of : 12

LMA-GDF-30/250-09M, Matched Passive Double Clad, Optical Fiber

SKU: LMA-GDF-30/250-09M

Coherent passive series of Large Mode Area (LMA) double clad fibers are ideal for high power monolithic fiber lasers and amplifiers. This passive fiber is based on a 30 µm diameter core and 250 µm diameter clad size with a low NA (0.09) core. It is precision matched to its active Er/Yb co-doped 30P/250 LMA matched counterpart to ensure excellent splice compatibility and low loss. As with all Coherent standard LMA fibers, this fiber is proof-tested to 100 kpsi, and industry requirement for long term reliability. It utilizes the latest fiber design and NuCOATFAFA coating technology to ensure excellent preservation of beam quality and extended operating life at the high power levels demanded by today’s industrial fiber laser applications.

This product requires a purchase of a minimum quantity of : 12

PM2000D, PM Dispersion Tailored, Optical Fiber

SKU: PM2000D

Coherent introduces a single-mode (SM2000D) fiber and a polarization maintaining (PM2000D) fiber designed for dispersion compensation in the 2 µm wavelength range. The core composition, (main driver for the material dispersion) and the waveguide design (driver for the waveguide dispersion) of both fibers were specifically tailored to enable the total dispersion to be negative around 2 µm. Both fibers are designed with a core diameter of ~ 2 µm, an NA of ~ 0.4 and a mode-field diameter of 3.8 µm at 2 µm. The 125 µm cladding diameter allows for high compatibility with active and passive fibers used in pre-amplifier stage(s) of ultra fast lasers and easy handling with conventional cleaving and splicing equipment. The dispersion tailored fiber is also available in polarization maintaining design (PM2000D ), suitable for 2 µm PM lasers and amplifier systems.

This product requires a purchase of a minimum quantity of : 13

SM2000D, Dispersion Tailored, Optical Fiber

SKU: SM2000D

Coherent introduces a single-mode (SM2000D) fiber and a polarization maintaining (PM2000D) fiber designed for dispersion compensation in the 2 µm wavelength range. The core composition, (main driver for the material dispersion) and the waveguide design (driver for the waveguide dispersion) of both fibers were specifically tailored to enable the total dispersion to be negative around 2 µm. Both fibers are designed with a core diameter of ~ 2 µm, an NA of ~ 0.4 and a mode-field diameter of 3.8 µm at 2 µm. The 125 µm cladding diameter allows for high compatibility with active and passive fibers used in pre-amplifier stage(s) of ultrafast lasers and easy handling with conventional cleaving and splicing equipment. The dispersion tailored fiber is also available in polarization maintaining design (PM2000D ), suitable for 2 µm PM lasers and amplifier systems.

This product requires a purchase of a minimum quantity of : 17

LMA-GDF-25/250-09M, Matched Passive Double Clad, Optical Fiber

SKU: LMA-GDF-25/250-09M

Coherent Large Mode Area (LMA) passive double clad fiber are ideal for high power fiber lasers and amplifiers used in military, industrial, and medical applications. These fibers feature a 25 micron diameter core and 250 micron diameter clad size with a low NA (0.09) core. They are precision matched to their active Tm-doped 25P/250 LMA matched counterpart to ensure excellent splice compatability and low loss. As with all Coherent standard LMA fibers, these fibers are proof-tested to 100 kpsi, an industry requirement for long term reliability. They utilize the latest fiber design and NuCOATFAFA coating technology to ensure excellent preservation of beam quality and extended operating life at the high power levels demanded by today’s industrial fiber laser applications.

This product requires a purchase of a minimum quantity of : 12

SM-GDF-10/130-15M, Matched Passive Double Clad, Optical Fiber

SKU: SM-GDF-10/130-15M

These Coherent precision matched passive double-clad fibers feature a 10 µm core diameter and a 130 µm clad diameter. They are optimized to match Coherent active Tm-doped 10P/130 µm singlemode and polarization maintaining fibers. This precise matching allows for the lowest splice loss, improving performance for all applications including low to mid-power CW and pulsed fiber lasers and amplifiers operating in the 2 µm wavelength range. The small core low NA fiber facilitates highly efficient single-mode operation while the telecom-like 130 µm cladding diameter makes handling, including cleaving and splicing, as simple as possible.

This product requires a purchase of a minimum quantity of : 20

LMA-TDF-25P/250-M, Matched Tm-Doped Double Clad, w/Pedestal, Optical Fiber

SKU: LMA-TDF-25P/250-M

Coherent introduces the newest series of large-mode area, high efficiency Thulium-doped double clad fibers inspired from the most recent advances in thulium-doped technology. The glass composition is improved to maximize the cross-relaxation process in order to achieve 2 mm efficiencies around 60% and higher when pumping at ~793 nm. In addition, the waveguide design is specifically tailored to offer improved beam quality. The pedestal layer surrounding the core is optimized to guarantee efficient higher-order mode suppression and high beam quality while ensuring highly reliable splicing and easy handling and cleaving. Both fibers feature a 25 µm core (0.09 NA) and a 250 µm clad diameter allowing for a large mode field diameter and short device lengths thereby minimizing non-linear effects such as SBS and SRS. The - M fiber is compatible with the NuMATCH passive fiber family offering unique compatibility performances.in the higher 2 µm wavelength gain spectrum. The -LC fiber features a lower concentration Tm-concentration best suited to operate in the shorter wavelength region of the 2 mm gain spectrum.

LMA-GDF-25/400-09M, Matched Passive Double Clad, Optical Fiber

SKU: LMA-GDF-25/400-09M

Coherent Large Mode Area (LMA) passive double clad fibers are ideal for high power fiber lasers and amplifiers used in military, industrial, and medical applications. This fiber features a 25 micron diameter core and 400 micron diameter clad size with a low NA (0.09) core. It is precision matched to its active Tm-doped 25P/400 LMA matched counterpart to ensure excellent splice compatibility and low loss. As with all Coherent standard LMA fibers, this fiber is proof-tested to 100 kpsi, an industry requirement for long term reliability. It utilizes the latest fiber design and NuCOATFAFA coating technology to ensure excellent preservation of beam quality and extended operating life at the high power levels demanded by today’s industrial fiber laser applications.

This product requires a purchase of a minimum quantity of : 10

PM-TSF-5/125, Panda-Type Tm-Doped Select Cutoff PM Optical Fiber

SKU: 1365521

These single clad, small core diameter fiber features a very highly Tm-doped core region (~7% Tm). They are ideally suited for core pumping, enabling very short laser cavities required in producing ultra-fast fiber lasers with high slope efficiency under resonant pumping. The 5 µm core diameter with its 0.24 NA, together, offer superior single-mode operation and excellent bending performance.

The PM variety is designed with the PANDA style stress structure which delivers linearly-polarized light; the non-PM version is available for applications that do not require a polarized signal