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grin fiber  (Thorlabs)

 
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    Structured Review

    Thorlabs grin fiber
    Setup and beam characteristics of the fiber-optic ferrule. (a) Front view of the ferrule showing the two fiber channels: the upper circle corresponds to the single-mode <t>fiber</t> <t>(SMF-28),</t> and the lower circle to the <t>GRIN</t> fiber probe. (b) Schematic illustration of light propagation in the two fiber channels and resulting mode field diameters (MFD, 2 ω 0 ) at the ferrule tip. (c) 3D CAD rendering of beam propagation for both imaging modes in the distal rectoscope tip [HD, high-detail mode (orange); ER, extended-range mode (blue)]. The actual beam profiles in the focal region are shown in panels (d) and (e). (d) 2D beam profile with measured MFDs at multiple axial positions ( Z ) around the waist after the scan lens. (e) 3D geometry of the two beam waists through the fully assembled distal tip.
    Grin Fiber, supplied by Thorlabs, used in various techniques. Bioz Stars score: 86/100, based on 1 PubMed citations. ZERO BIAS - scores, article reviews, protocol conditions and more
    https://www.bioz.com/product/grin+fiber/fiber+grin/pmc13022929-49-20-23
    Average 86 stars, based on 1 article reviews
    grin fiber - by Bioz Stars, 2026-10
    86/100 stars

    Images

    1) Product Images from "Dual-resolution megahertz optical coherence tomography prototype rectoscope for enhanced visualization of colorectal microstructures"

    Article Title: Dual-resolution megahertz optical coherence tomography prototype rectoscope for enhanced visualization of colorectal microstructures

    Journal: Journal of Biomedical Optics

    doi: 10.1117/1.JBO.31.4.046002

    Setup and beam characteristics of the fiber-optic ferrule. (a) Front view of the ferrule showing the two fiber channels: the upper circle corresponds to the single-mode fiber (SMF-28), and the lower circle to the GRIN fiber probe. (b) Schematic illustration of light propagation in the two fiber channels and resulting mode field diameters (MFD, 2 ω 0 ) at the ferrule tip. (c) 3D CAD rendering of beam propagation for both imaging modes in the distal rectoscope tip [HD, high-detail mode (orange); ER, extended-range mode (blue)]. The actual beam profiles in the focal region are shown in panels (d) and (e). (d) 2D beam profile with measured MFDs at multiple axial positions ( Z ) around the waist after the scan lens. (e) 3D geometry of the two beam waists through the fully assembled distal tip.
    Figure Legend Snippet: Setup and beam characteristics of the fiber-optic ferrule. (a) Front view of the ferrule showing the two fiber channels: the upper circle corresponds to the single-mode fiber (SMF-28), and the lower circle to the GRIN fiber probe. (b) Schematic illustration of light propagation in the two fiber channels and resulting mode field diameters (MFD, 2 ω 0 ) at the ferrule tip. (c) 3D CAD rendering of beam propagation for both imaging modes in the distal rectoscope tip [HD, high-detail mode (orange); ER, extended-range mode (blue)]. The actual beam profiles in the focal region are shown in panels (d) and (e). (d) 2D beam profile with measured MFDs at multiple axial positions ( Z ) around the waist after the scan lens. (e) 3D geometry of the two beam waists through the fully assembled distal tip.

    Techniques Used: Imaging

    Related Articles

    Microscopy:

    Article Title: Pencil-beam scanning catheter for intracoronary optical coherence tomography
    Article Snippet: .. The 0.87-mm GRIN fiber and 0.185-mm NCF (FG105LCA, Thorlabs, USA) were cleaved under a stereo microscope for high precision cleaving. .. The output beam profile of the probe was measured by a scanning slit beam analyzer (BP209-IR/M, Thorlabs, USA), and a 1310-nm continuous wave (CW) light source (S1FC1310, Thorlabs, USA) was used.

    other:

    Article Title: Real-time multispeckle spectral-temporal measurement unveils the complexity of spatiotemporal solitons
    Article Snippet: Supplementary Table 1: Estimated numbers of modes of the fibers used in the multimode fiber laser Fiber Model number Core NA Core radius/m V number Mode no.* Lead fiber 1 Nufern LMA-GDF15/130 0.08/0.46NA 0.08 7.5 3.5 6† Lead fiber 2 Nufern LMA-GDF15/130 0.08/0.46NA 0.08 7.5 3.5 6† Gain fiber Nufern LMA-YDF15/130-VIII 0.08 7.5 3.5 6† GRIN fiber Thorlabs GIF625 0.275 31.25 51.0 650‡ *Counting the polarization; †Mode no. ≈ V2/2; ‡Mode no. ≈ V2/4 Pump SPC Gain Fiber GRIN Fiber Col λ/2 λ/4 λ/2 λ/4 FISO Offset Splicing Col BS L1 L2 Col Col Col BS BS M OC PD1 PD2 SMF XYZ scan ODL 1.6 3.4 1.5 3.3 2.2 2.8 3.2 2.5 1.9 2.7 0 1 SG1 SG2 SG3 Lead Fiber 1 Lead Fiber 2 The beam size of the extracted laser is enlarged by a 5× magnification telescope composed of lenses L1 and L2 (30 mm and 150 mm focal lengths, respectively).

    Article Title: Real-time multispeckle spectral-temporal measurement unveils the complexity of spatiotemporal solitons
    Article Snippet: Table R2 Estimated numbers of modes of the fibers used in the multimode fiber laser Fiber Model number Core NA Core radius/μm V number Mode no.* Lead fiber 1 Nufern LMA-GDF15/130 0.08/0.46NA 0.08 7.5 3.5 6† Lead fiber 2 Nufern LMA-GDF15/130 0.08/0.46NA 0.08 7.5 3.5 6† Gain fiber Nufern LMA-YDF15/130-VIII 0.08 7.5 3.5 6† GRIN fiber Thorlabs GIF625 0.275 31.25 51.0 650‡ *Counting the polarization; †Mode no. ≈ V2/2; ‡Mode no. ≈ V2/4 As discussed in Supplementary Information 9, for a moderate calculation time, only 10 transverse modes coexisted in the laser cavity are considered in our numerical studies without loss of generality.



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    Setup and beam characteristics of the fiber-optic ferrule. (a) Front view of the ferrule showing the two fiber channels: the upper circle corresponds to the single-mode <t>fiber</t> <t>(SMF-28),</t> and the lower circle to the <t>GRIN</t> fiber probe. (b) Schematic illustration of light propagation in the two fiber channels and resulting mode field diameters (MFD, 2 ω 0 ) at the ferrule tip. (c) 3D CAD rendering of beam propagation for both imaging modes in the distal rectoscope tip [HD, high-detail mode (orange); ER, extended-range mode (blue)]. The actual beam profiles in the focal region are shown in panels (d) and (e). (d) 2D beam profile with measured MFDs at multiple axial positions ( Z ) around the waist after the scan lens. (e) 3D geometry of the two beam waists through the fully assembled distal tip.
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    Setup and beam characteristics of the fiber-optic ferrule. (a) Front view of the ferrule showing the two fiber channels: the upper circle corresponds to the single-mode <t>fiber</t> <t>(SMF-28),</t> and the lower circle to the <t>GRIN</t> fiber probe. (b) Schematic illustration of light propagation in the two fiber channels and resulting mode field diameters (MFD, 2 ω 0 ) at the ferrule tip. (c) 3D CAD rendering of beam propagation for both imaging modes in the distal rectoscope tip [HD, high-detail mode (orange); ER, extended-range mode (blue)]. The actual beam profiles in the focal region are shown in panels (d) and (e). (d) 2D beam profile with measured MFDs at multiple axial positions ( Z ) around the waist after the scan lens. (e) 3D geometry of the two beam waists through the fully assembled distal tip.
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    Setup and beam characteristics of the fiber-optic ferrule. (a) Front view of the ferrule showing the two fiber channels: the upper circle corresponds to the single-mode <t>fiber</t> <t>(SMF-28),</t> and the lower circle to the <t>GRIN</t> fiber probe. (b) Schematic illustration of light propagation in the two fiber channels and resulting mode field diameters (MFD, 2 ω 0 ) at the ferrule tip. (c) 3D CAD rendering of beam propagation for both imaging modes in the distal rectoscope tip [HD, high-detail mode (orange); ER, extended-range mode (blue)]. The actual beam profiles in the focal region are shown in panels (d) and (e). (d) 2D beam profile with measured MFDs at multiple axial positions ( Z ) around the waist after the scan lens. (e) 3D geometry of the two beam waists through the fully assembled distal tip.
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    Image Search Results


    Setup and beam characteristics of the fiber-optic ferrule. (a) Front view of the ferrule showing the two fiber channels: the upper circle corresponds to the single-mode fiber (SMF-28), and the lower circle to the GRIN fiber probe. (b) Schematic illustration of light propagation in the two fiber channels and resulting mode field diameters (MFD, 2 ω 0 ) at the ferrule tip. (c) 3D CAD rendering of beam propagation for both imaging modes in the distal rectoscope tip [HD, high-detail mode (orange); ER, extended-range mode (blue)]. The actual beam profiles in the focal region are shown in panels (d) and (e). (d) 2D beam profile with measured MFDs at multiple axial positions ( Z ) around the waist after the scan lens. (e) 3D geometry of the two beam waists through the fully assembled distal tip.

    Journal: Journal of Biomedical Optics

    Article Title: Dual-resolution megahertz optical coherence tomography prototype rectoscope for enhanced visualization of colorectal microstructures

    doi: 10.1117/1.JBO.31.4.046002

    Figure Lengend Snippet: Setup and beam characteristics of the fiber-optic ferrule. (a) Front view of the ferrule showing the two fiber channels: the upper circle corresponds to the single-mode fiber (SMF-28), and the lower circle to the GRIN fiber probe. (b) Schematic illustration of light propagation in the two fiber channels and resulting mode field diameters (MFD, 2 ω 0 ) at the ferrule tip. (c) 3D CAD rendering of beam propagation for both imaging modes in the distal rectoscope tip [HD, high-detail mode (orange); ER, extended-range mode (blue)]. The actual beam profiles in the focal region are shown in panels (d) and (e). (d) 2D beam profile with measured MFDs at multiple axial positions ( Z ) around the waist after the scan lens. (e) 3D geometry of the two beam waists through the fully assembled distal tip.

    Article Snippet: The coreless fiber (FG125LA, Thorlabs Inc., USA) is used as a spacer between the SMF (SMF–28e+, Corning Inc., USA) and GRIN fiber (GIF625, Thorlabs Inc., USA).

    Techniques: Imaging