Spectralon® Diffuse Reflectance Standards

Focal Length 1.50-22.00 mm; Numerical Aperture 0.13-0.71; Design Wavelength 405-7800 nm; Outer Diameter 6.24-14.25 mm; Thread MT6, MT8, MT9, MT12, MT14 With 27 of GH Optics’ standard precision molded aspheric lenses mounted into five different stainless steel lens holders, this series of components allow for very easy assembly. Our mounted precision molded aspheric lenses feature MT6, MT8, MT9, MT12 or MT14 threads for screwing the components into your systems, but they can also be soldered or welded to suitable structures in the required position. GH Optics’ series of mounted precision molded glass aspheric lenses can be used for applications in the visible (VIS) and infrared (IR) wavebands, such as small beam collimation, focusing, and fiber coupling. In these applications, aspheric lenses avoid spherical aberrations known from spherical lenses and can therefore reduce the complexity of both the design process and the resulting optical system. While the cost and effort involved in the traditional production of aspheric lenses has often prevented the use of this type of lens in cost-sensitive applications, GH Optics manufactures affordable aspheric lenses with high, reproducible quality by molding glass preforms in molds of high precision. On request, most aspheric lenses in our portfolio can be mounted into a custom assembly specified by the customer. For large-volume applications we recommend to contact your regional AMS Technologies office, so that we can tailor a solution based on your technical needs. Three types of glass are available for our series of mounted precision molded aspheric lenses for visible and NIR wavelenghts, all RoHS compliant: Lens Series Glass Type Refractive Index Abbe Number CTE dn/dT RoHS Compliance MD D-ZK3 1.586 60.71 7.6×10-6/°C 3.2×10-6/°C yes ME D-ZLaF52La 1.806 40.79 6.9×10-6/°C 6.5×10-6/°C yes MG D-LaK6 1.690 52.65 6.9×10-6/°C 6.5×10-6/°C yes   For our mounted precision molded infrared aspheric lenses, two types of chalcogenide glass are available, comparable to infrared glass of other leading brands in the market and featuring high transmission as well as RoHS compliance:  Lens Series Glass Type Glass Material Refractive Index @10 µm Abbe Number @10 µm CTE dn/dT RoHS Compliance M2 GH2 Ge28Sb12Se60 2.6044 93.63 142×10-7/°C 70.4×10-6/°C yes M6 GH6 As40Se60 2.7775 137.71 209×10-7/°C 31.3×10-6/°C yes   Mounted precision molded aspheric lenses for visible and NIR wavelengths can be coated with a range of visible and NIR coatings, including four standard AR coatings (VA, VB, VC, VQ) featuring average reflectance values of ≤0.6%, ≤0.5%, or even ≤0.25%, for wavelength ranges of 380 nm to 700 nm, 600 nm to 1100 nm, 1050 nm to 1650 nm, or 1300 nm to 1700 nm respectively. Other customized coatings like HD (High Density) or SWB (Short Wave Blocking) are available on request. Lens Code Thread Outer Diameter (OD) Effective Focal Length (EFL) Lens Numerical Aperture (NA) Clear Aperture (CA) Design Wavelength (DW) MD1560 MT6 6.24 mm 1.50 mm 0.58 1.60 mm 780 nm MF2570 MT8 8.24 mm 2.50 mm 0.66 3.30 mm 405 nm ME2860 MT8 8.24 mm 2.80 mm 0.64 3.60 mm 830 nm MD3170 MT9 9.24 mm 3.10 mm 0.68 5.00 mm 830 nm MD4060 MT9 9.24 mm 4.00 mm 0.64 5.10 mm 685 nm MG4060 MT9 9.24 mm 4.00 mm 0.60 4.80 mm 408 nm MD4530 MT6 6.24 mm 4.50 mm 0.30 2.70 mm 635 nm MD4540 MT8 8.24 mm 4.50 mm 0.40 3.70 mm 980 nm ME4560 MT9 9.24 mm 4.50 mm 0.55 5.07 mm 780 nm MD4650 MT9 9.24 mm 4.60 mm 0.54 4.80 mm 655 nm MD5020 MT6 6.24 mm 5.00 mm 0.15 1.60 mm 1550 nm MD5560 MT9 9.24 mm 5.50 mm 0.58 6.00 mm 635 nm MD6020 MT8 8.24 mm 6.00 mm 0.21 2.50 mm 1550 nm MD6230 MT8 8.24 mm 6.20 mm 0.30 3.70 mm 635 nm ME6240 MT9 9.24 mm 6.20 mm 0.40 5.00 mm 780 nm ME7530 MT9 9.24 mm 7.50 mm 0.30 4.54 mm 780 nm MD8050 MT12 12.22 mm 8.00 mm 0.50 8.00 mm 780 nm MD9630 MT9 9.24 mm 9.60 mm 0.27 5.20 mm 635 nm MD9930 MT9 9.24 mm 9.90 mm 0.27 5.20 mm 650 nm MDA050 MT14 14.25 mm 10.00 mm 0.51 10.00 mm 635 nm MDA130 MT9 9.24 mm 11.00 mm 0.25 5.50 mm 635 nm MDA320 MT9 9.24 mm 13.00 mm 0.20 5.20 mm 633 nm MDA520 MT9 9.24 mm 15.30 mm 0.16 5.00 mm 785 nm MDA820 MT9 9.24 mm 18.40 mm 0.15 5.50 mm 785 nm MDB210 MT9 9.24 mm 22.00 mm 0.13 5.50 mm 670 nm M23070 MT9 9.24 mm 3.00 mm 0.71 5.00 mm 7.8 µm M24060 MT9 9.24 mm 4.00 mm 0.56 5.00 mm 4.0 µm    Key Features: Stainless Steel Holder Assembly With Glue Threaded Interface for Easy Assembly Rapid Prototype Focal Length: 1.50 mm to 22.00 mm Lens Numerical Aperture: 0.13 to 0.71 Design Wavelength: 405 nm to 7.8 µm Assembly Outer Diameter: 6.24 mm, 8.24 mm, 9.24 mm, 12.22 mm, 14.25 mm Thread: MT6, MT8, MT9, MT12, MT14 Applications: Laser; Telecom; Medical; Imaging; And Many More  

760-1083 nm; Typ. Linewidth 0.6 MHz; Output Power 6-150 mW CW; Threshold Current ≤70 mA; Slope Efficiency 0.7 W/A; Side Mode Suppression Ratio ≥30 dBToptica eagleyard’s DFB series of distributed feedback (DFB) laser diodes features a built-in wavelength-selective grating stabilizing the wavelength. The DFB series’ entire resonator consists of a periodic structure. Thus, the devices operate on a single resonator mode emitting quasi-monochromatic radiation with a very small line width and low phase noise. The lasers can have very low-intensity noise because of the lack of mode partition noise. Due to the Gaussian mode the output is diffraction-limited.The choice of a distributed feedback design instead of a similar distributed Bragg grating (DBR) structure enables even a broader smooth tuning range around the operational point without the risk of experiencing spectral issues known as mode-hops, as these are given by design of a DBR diode, making the latter less suitable for the needs of atom spectroscopy.Special variants are available – two versions are intended to be used as seed lasers for pulsed fiber lasers, while other variants aim at oxygen detection as the emission wavelength of these laser diodes match with the strong absorption lines of oxygen at 760 nm and 764 nm while wavelength tuning around one of these absorption lines is possible.Further variants are especially suitable for spectroscopy with mode‐hop free operation and small linewidth guaranteed at the specified target wavelength for spectroscopic applications – these laser diodes are reaching the target wavelength by temperature tuning and allow wavelength tuning around this target wavelength.External backreflections may disturb the spectrum of these laser diodes, so the use of butterfly (BFW01) or TOC03 packages and effective optical isolation is recommended for spectroscopic applications requiring absolutely mode‐hop‐free tuning. Finally, special tunable variants with integrated optical isolators are available, enabling a wide mode‐hop free tuning range given by the specified operating temperature range and the specified power range.Key Features:Single Frequency ModeHigh Side Mode Suppression > 50 dBNarrow Linewidth <1 MHzPulse Width 1 to 50 nsPeak Power up to 500 mWRepetition Rate up to 1 MHzSMSR >35 dBProductWavelengthOutput PowerSpecificsDFB-0760-00012-1500-BFY12-0005760 nm12 mWoxygen detection, spectroscopy, metrologyDFB-0760-00040-1500-BFW01-0005760 nm40 mWoxygen detection with collimatorDFB-0760-00040-1500-TOV01-0005760 nm40 mWoxygen detection VCSEL replacementDFB-0760-00040-1500-TOC03-0005760 nm40 mWoxygen detectionDFB-0780-00020-1500-BFY12-0005780 nm20 mWoxygen detection,spectroscopy: Rb D2DFB-0780-00040-1500-BFY02-0000780 nm40 mWbasic variant with PM fiberDFB-0780-00040-1500-BFY02-0002780 nm40 mWtunable with PM fiberDFB-0780-00040-1500-BFW11-0005780 nm40 mWspectroscopy: Rb D2 with isolator and collimatorDFB-0780-00080-1500-TOV01-0005780 nm80 mWspectroscopy: Rb D2DFB-0780-00080-1500-BFW01-0002780 nm80 mWtunable with collimatorDFB-0780-00080-1500-BFW01-0005780 nm80 mWspectroscopy: Rb D2 with collimatorDFB-0780-00080-1500-TOC03-0000780 nm80 mWbasic variantDFB-0780-00080-1500-TOC03-0002780 nm80 mWtunableDFB-0780-00080-1500-TOC03-0005780 nm80 mWspectroscopy: Rb D2DFB-0785-00040-1500-BFY02-0000785 nm40 mWbasic variant with PM fiberDFB-0785-00040-1500-BFY02-0002785 nm40 mWtunable with PM fiberDFB-0785-00100-1500-TOV01-0000785 nm100 mWbasic variantDFB-0795-00015-1500-BFY12-0005795 nm15 mWspectroscopy: Rb D1 lineDFB-0795-00040-1500-BFW11-0005795 nm40 mWspectroscopy: Rb D1 with isolator and collimatorDFB-0795-00080-1500-BFW01-0005795 nm80 mWspectroscopy: Rb D1 with collimatorDFB-0852-00015-1500-BFY12-0005852 nm15 mWspectroscopy: Cs D2 DFB-0852-00050-1500-BFY02-0000852 nm50 mWbasic variant with PM fiberDFB-0852-00050-1500-BFY02-0002852 nm50 mWtunable with PM fiberDFB-0852-00100-1500-BFW01-0002852 nm100 mWtunable with collimatorDFB-0852-00100-1500-BFW01-0005852 nm100 mWspectroscopy: CS D2 with collimatorDFB-0852-00150-1500-TOC03-0000852 nm150 mWbasic variantDFB-0852-00150-1500-TOC03-0002852 nm150 mWtunableDFB-0852-00150-1500-TOC03-0005852 nm150 mWspectroscopy: Cs D2DFB-0895-00050-1500-TOV01-0005895 nm50 mWspectroscopy: Cs D1DFB-0935-00080-1500-TOC03-0004935 nm80 mWspectroscopy: YbDFB-1030-00500-1500-BFY02-00101030 nm500 mWseed laser (pulsed mode) with PM fiberDFB-1064-00025-1500-BFY12-00021064 nm25 mWtunable with isolator and PM fiberDFB-1064-00040-1500-BFY02-00001064 nm40 mWbasic variant with PM fiberDFB-1064-00040-1500-BFY02-00021064 nm40 mWtunable with PM fiberDFB-1064-00080-1500-TOC03-00001064 nm80 mWbasic variantDFB-1064-00080-1500-TOC03-00021064 nm80 mWtunableDFB-1064-00500-1500-BFY02-00101064 nm500 mWseed laser (pulsed mode) with PM fiberDFB-1083-00025-1500-BFY12-00021083 nm25 mWtunable with isolator and PM fiberDFB-1083-00080-1500-TOC03-00021083 nm80 mW Applications: Interferometry, Laser Doppler Velocimetry and Vibrometry; Cold Atoms; Optically Pumped Atom Clocks; Quantum Optics; THz Generation, Raman Spectroscopy; Cs- ,Rb- , K- Spectroscopy; Seed Laser for LIDAR SystemsPlease note that TOPTICA eagleyard products are not availble from us in Denmark, Finland, Iceland, Norway, and Sweden.