Fused Silica Field Lens S4LFT4147-328
Laser lens materials: High-power lasers, including short-pulse and ultrashort-pulse lasers, place demanding requirements on lenses. Laser processing is strongly affected by the properties of ordinary optical glass. For example, thermal lensing changes beam shape and working distance. Fused silica offers significant advantages over ordinary optical glass because it is less sensitive to thermal effects, making it particularly suitable for short-pulse/ultrashort-pulse laser sources. Fused Silica Scan Lens Catalog (no technical specifications section; retained as given): Model | Focal Length [mm] | Scan Field [mm×mm] | Spot Size (1/e²) [μm] | Maximum Beam Diameter Ø [mm] | Maximum Telecentric Error [°] | Working Distance [mm] | SP/USP* 1030-1080nm S4LFT4147-328 | 48 | 7 x 7 | 6.3 | 15 | 2.1 | 61.1 | Yes S4LFT4065-328 | 65 | 15x15 | 9.4 | 15 | 2 | 83.1 | Yes S4LFT0710-328 | 100 | 60x60 | 39.1 | 5 | 11.5 | 120.7 | Yes S4LFT4010-328 | 100 | 35x35 | 19.5 | 10 | 1.3 | 129.8 | Yes S4LFT4127-328 | 125 | 50x50 | 13.6 | 15 | 1.5 | 157.6 | Yes S4LFT0763-328 | 163 | 100x100 | 45.6 | 7 | 14.6 | 194.1 | Yes S4LFT3162-328 | 163 | 90x90 | 21.2 | 15 | 5.6 | 201.5 | Yes S4LFT3167-328 | 163 | 100x100 | 32.6 | 10 | 11.6 | 200.7 | Yes S4LFT0725-328 | 254 | 140x140 | 61.5 | 8 | 16.2 | 282.8 | Yes S4LFT3250-328 | 254 | 160x160 | 33.2 | 15 | 10.7 | 321.3 | Yes S4LFT1330-328 | 330 | 215x215 | 33.3 | 20 | 23.5 | 203.4 | Yes S4LFT1420-328 | 420 | 280x280 | 58.5 | 14 | 17.3 | 499.2 | Yes S4LFT5430-328 | 430 | 250 x 250 | 30.0 | 30 | 11.6 | 538 | Yes S4LFT1655-328 | 650 | 410x410 | 63.3 | 20 | 22.5 | 581.6 | Yes S4LFT0910-328 | 910 | 500x500 | 65.8 | 30 | 16.2 | 1048.8 | Yes 515-532nm S4LFT4148-292 | 48 | 6x6 | 3.2 | 15 | 1.8 | 60 | Yes S4LFT4066-292 | 65 | 15x15 | 4.8 | 15 | 1.5 | 85.8 | Yes S4LFT4010-292 | 100 | 35x35 | 9.8 | 10 | 1.5 | 130.2 | Yes S4LFT4126-292 | 125 | 53x53 | 12 | 10 | 1.6 | 167 | Yes S4LFT3161-292 | 163 | 90x90 | 15.4 | 10 | 4.8 | 219 | Yes S4LFT4262-292 | 163 | 65x65 | 12.7 | 12 | 1.7 | 195.4 | Yes S4LFT1330-292 | 330 | 212x212 | 24.3 | 14 | 20.3 | 279 | Yes S4LFT5650-292 | 650 | 410 x 410 | 31.8 | 20 | 22.7 | 569.9 | Yes 420-480nm S4LFT4125-373 | 125 | 45x45 | 6.1 | 20 | 1.6 | 160.2 | Yes S4LFT3170-373 | 168 | 75x75 | 7.6 | 20 | 3.2 | 228.3 | Yes S4LFT3250-373 | 241 | 115x115 | 10 | 20 | 7.4 | 304.8 | Yes S4LFT1330-373 | 330 | 180x180 | 10.7 | 20 | 11.1 | 268.2 | Yes 343-355nm S4LFT4149-075 | 48 | 6x6 | 2.1 | 15 | 2.1 | 69.3 | Yes S4LFT4067-075 | 65 | 15x15 | 3.1 | 15 | 1.8 | 81.7 | Yes S4LFT4010-075 | 100 | 35x35 | 6.5 | 10 | 1.2 | 132 | Yes S4LFT4125-075 | 125 | 53x53 | 8 | 10 | 1.1 | 156.9 | Yes S4LFT3170-075 | 163 | 90x90 | 11.4 | 10 | 4.3 | 221.7 | Yes S4LFT4262-075 | 163 | 65x65 | 10.5 | 10 | 2 | 193.7 | Yes S4LFT1330-075 | 330 | 210x210 | 15.4 | 14 | 21 | 260.5 | Yes S4LFT3340-075 | 340 | 205 x 205 | 17.0 | 14 | 0.85 | 479.5 | Yes 257-266nm S4LFT4068-199 | 65 | 20 x 20 | 2.5 | 15 | 1.3 | 85.6 | Yes S4LFT3170-199 | 154 | 85x85 | 7.7 | 10 | 3.8 | 208.1 | Yes S4LFT4263-199 | 163 | 70x70 | 9.2 | 10 | 2.6 | 218.4 | Yes *SP=short pulse, USP=ultrashort pulse.
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Overview
Specifications
| Parameter | Value |
|---|---|
| design wavelength [vignetting <1%] | 1064 nm |
| effective focal length [vignetting <1%；tolerance ±1.5%] | 48.1 mm |
| working distance [vignetting <1%；tolerance ±1.5%] | 61.1 mm |
| max. entrance beam-Ø [vignetting <1%] | 15.0 mm |
| aperture stop distance [vignetting <1%] | 23.8 mm |
| scan area for a 2 mirror system [vignetting <1%；mirror distance from lens housing：mirror 2 / mirror 1=15.3 / 32.3] | 7 mm×mm × 7 mm×mm |
| max. telecentricity error [vignetting <1%] | 2.1 ° |
| total transmission [vignetting <1%] | >98 % |
| lens material [vignetting <1%] | fused silica |
| LIDT (coating) [vignetting <1%；per 1ns pulse at 50Hz] | 5.0 J/cm² |
| SP and USP usable [vignetting <1%] | yes |
| cover glass [vignetting <1%] | S4LPG3105-328 |
Datasheet
Supplier Information
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