Optiken von BFi Optilas in hervorragender Qualität wie Linsen, Spiegel, Etalons, Fenster, Filter, Waveplates, Beamsplitter, Mounts und vieles mehr zum Herstellerlistenpreis.

	High Damage Threshold Beamsplitter Cubes Polarizing Beamsplitter Cubes Micro Optics
	Broadband Beamsplitters 458-1550nm - BBS Long Wave pass Dichroic Beamsplitters LWP Broadband Dielectric Cube Beamsplitters BSD Fixed Ratio Polarizing Cube Beamsplitters - PCBS Broadband Hybrid Cube Beamsplitters-BSC High Energy Plate Beamsplitter 193-2100nm - BS1 Broadband Polarizing Cube Beamsplitters -PBSH High Energy Harmonic Separators - BSR Continously Variable Beamsplitters - ABS High Energy Ultra Thin Beamsplitters - UT Laser Line Non-polarizing Plate Beamsplitter -BSNP Laser Line Non-Polarizing Cube Beamsplitter -NCBS	Optical Isolators 248nm-1550nm - OI High-Energy Laser Polarizing CubeBeamsplitter PBSO Pellicle Beamsplitters - PLB Laser Line Polarizing Cube Beamsplitters PBS Sampling Beamsplitter Cubes - SBC Low-Dispersion Polarizers 400-800nm TFPK Ultrafast Isosceles Brewster prisms IB UV Laser-Line Polarizing Cube Beamsplitters UPBS Short Wave Pass Dichroic Beamsplitters SWP Standard Plate Beamsplitters UV-VIS-NIR

High Damage Threshold Beamsplitter Cubes
All of our polarizing beam splitter cubes are epoxy free, making them suitable for high power applications with energy densities exceeding 10 J/cm2 at 1064 nm. Optical bonding for epoxy-free optical paths - no glue! High-energy laser-line and broadband designs Custom cubes for multiple wavelengths or wavelength regions available RoHs Compliant In addition to the standard sizes and wavelengths, we can produce high-energy cube beamsplitters from 1×1 mm2 in size, and in a wide variety of materials including fused silica, BK7, YAG, and other optical glasses and crystals.

Polarizing Beamsplitter Cubes
All of our polarizing beam splitter cubes are epoxy free, making them suitable for high power applications with energy densities exceeding 10 J/cm2 at 1064 nm. These high-precision assemblies have been widely used in telecommunications, semi-conductor and biomedical applications where transmission efficiency, extinction ratio and wavefront quality are all critical specifications. In addition to the standard sizes and wavelengths, we can produce high-energy cube beamsplitters from 1×1 mm2 in size, and in a wide variety of materials including fused silica, BK7, YAG, and other optical glasses and crystals. Main Features: Optical bonding for epoxy-free optical paths - no glue! High-energy laser-line and broadband designs Wavelength Range: 400-1100 nm /680-1080 nm Damage Threshold up to >10 J/cm2 @ 1064 nm Custom cubes for multiple wavelengths or wavelength regions available RoHs Compliant

Micro Optics
These high-quality custom optics and optical assemblies combine our IBS coatings, ultraprecise fabrication capabilities and epoxy-free, which are widely used in the telecommunications, semi-conductor and biomedical industries. Because of their miniature size, they can be placed right at the objective lens or at the tip of optical fibers and light pipes. Applications: Beam-delivery micro-systems Fiber-optic Endoscopic systems Fluorescence spectroscopy Raman spectroscopy Optical-coherence tomography (OCT) Multiphoton microscopy (MPM) Confocal microscopy. Main Features: High precision laser optics and assemblies from 1 mm in size Multi-element, micro-optic assemblies with epoxy-free optical paths Custom dielectric HR, AR and polarizing coatings available Operating Wavelength: UV, Visible, NIR, telecom bands, MWIR (250–5000 nm) Products include: Solid and air-spaced etalons,Polarization beam splitters,Waveplates,Beamsplitter cubes,Right angle turning prisms.

Broadband Beamsplitters 458-1550nm - BBS
BBS broadband beamsplitter plates can be used to either split or combine a laser beam with a broad bandwidth or multiple beams in the same optical path within a specified wavelength range. A durable all-dielectric multilayer coating design is used for neutral splitting of unpolarized visible or near-infrared light at a convient 90° angle. Broadband dielectric 45° beamsplitter Damage Threshold 100 mJ/cm2, 20 nsec, 20 Hz @ 1064 nm 50/50 laser splitting Low reflection BBAR coating on back surface (S2) For CW and low energy pulsed laser applications Wavelength Range: 458-529nm/488-694nm/650-1100nm/1200-1550nm Other beamsplitting ratios are available Other wavelengths and sizes are available

Long Wave pass Dichroic Beamsplitters LWP
LWP Long Wave Pass Dichroic Beamsplitters exhibit high transmission for a long wavelength band, high damage thresholds, and high reflectivity for a shorter band of wavelengths. Reflectivity bandwidth is limited by coating design, incidence angle and polarization. Fluorescence microscopy Optical parametric generation Customer-specified reflected and transmitted wavelengths Custom substrate diameters and thicknesses Damage Threshold: cw:1 MW/cm2 @ 1064 nm Pulsed: 10 J/cm2, 20 nsec, 20 Hz @ 1064 nm

Broadband Dielectric Cube Beamsplitters BSD
Wavelength Range: UV 250-440nm/ 450-650nm/650-900nm/1300-1600nm UV Transmission: 50%±5% for 280–400 nm wavelength range 45%±5% for 250–280 nm wavelength range VIS & NIR Transmission: 50%±5% for average polarization Material: UV-grade synthetic fused silica/ BK7 for VIS & NIR

Fixed Ratio Polarizing Cube Beamsplitters - PCBS
PCBS Fixed Ratio Cube Beamsplitters provide a choice of split ratios at a variety of narrowband wavelengths for specific polarization states. A durable all-dielectric partial reflection coating is used at the internal interface, and all external surfaces are anti-reflection coated for the wavelength specified. For best spectral performance and transmitted wavefront, fixed ratio cube beamsplitters should be used with collimated or near-collimated input light. The PCBS and other cemented beamsplitter cubes are easy to mount. Damage Threshold: 1 J/cm2, 20 nsec, 20 Hz @ 1064 nm Optical Material: BK7 glass Fewer ghost images than plate beamsplitter Choice of wavelength and split ratios Easy to handle and mount Equal optical path lengths

Broadband Hybrid Cube Beamsplitters-BSC
BSC - Broadband Hybrid Cube Beamsplitters, Ultraviolet , Visible and Near infrared. UV Transmission: 43%±6% for 280–400 nm wavelength range 38%±6% for 250–280 nm wavelength range s- and p-components matched to within 5% for both ranges Visible & IR Transmission: 45%±6% Coating HEBBAR™ antireflection coating (entrance and exit faces)

High Energy Plate Beamsplitter 193-2100nm - BS1
BS1 high energy beamsplitters are plate windows coated with an all-dielectric coating to separate laser light into your choice of R/T split ratios. The BS1 high energy plate beamsplitters exhibit almost no absorption and are designed specifically for 45° at the wavelength and polarization of interest. Ultrahard, high-damage-threshold coatings are available for all wavelengths from 193 nm to 2100 nm. Internally reflected ghost images are minimized by an antireflection coating on the rear surface. Each face is polished to flatness of λ/10 or better. Beamsplitters are ideal for beam separation or combination Damage Threshold: cw: 1 MW/cm2 @ 1064 nm Pulsed: 10 J/cm2, 20 nsec, 20 Hz @ 1064 nm Wavelength Range: 193nm to 2100nm

Broadband Polarizing Cube Beamsplitters -PBSH
Serie PBSH: These broadband polarizing beamsplitter cubes are made from N-SF2 glass to improve broadband performance. For high-energy applications, CVI Melles Griot recommends other materials such as fused silica or N-BK7 glass, although they may not work as well over a wide wavelength range. Improved 500:1 extinction ration Broadband polarizer optimized for visible and near infrared wavelength Damage Threshold: cw: 100 W/cm2 @ 515 nm Pulsed: 500 mJ/cm2, 20 nsec, 20 Hz @ 515 nm Polarizing Bandwidth: 250nm at 515nm Optical Material: N-SF2 glass Reflected and transmitted beams separated by 90°

High Energy Harmonic Separators - BSR
BSR Serie: High energy harmonic separators are used to reflect a lasers primary or harmonic wavelength while transmitting another. Our standard High Energy Harmonic Separators are designed for the Nd:YAG and Ti:Sapphire laser systems. Isolate Nd:YAG and Nd:YLF harmonics 2nd, 3rd, 4th, and 5th harmonic separation Characterization of collagen orientation in human dermis by two-dimensional second-harmonic-generation polarimetry High energy all dielectric coating design, AR coated on side 2 45° dichroic beamsplitters Damage Threshold: cw: 1 MW/cm2 @ 1064 nm and 532 nm Pulsed: 10 J/cm2, 20 nsec, 20 Hz for reflection @ 1064 nm 4 J/cm2, 20 nsec, 20 Hz; for reflection @ 532 nm 4 J/cm2, 20 nsec, 20 Hz for transmission @ 1064 nm Transmitted Wavelength Range: 266-1064nm/ 488-515nm/ 532-1064nm

Continously Variable Beamsplitters - ABS
Continuously variable attenuation of linearly polarized light is achieved with a multiorder rotatable half-waveplate followed by a polarizing beamsplitter cube. The s-polarized light is reflected at 90° while p-polarized light is transmitted straight through the assembly. Applications include: Variable laser sampling Holography Interferometry Light entanglement Variable ratio beamsplitting Available Wavelengths: 266-355-515-535-633-780-830-850-1030-1064-1550nm ABS standard cubes are cemented ABSO high powered cubes are optically contacted Damage Threshold: ABS: 1 J/cm2, 20 nsec, 20 Hz @ 1064 nm ABSO: 5 J/cm2, 20 nsec, 20 Hz @ 1064 nm Optical Material: ABS: Crystal quartz and BK7 glass ABSO: Crystal Quartz and Fused Silica

High Energy Ultra Thin Beamsplitters - UT
The UT ultra thin plate beamsplitters is an all-dielectric, non-absorbing plate beamsplitter on a fused silica substrate for high energy beamsplitting. Use this beamsplitter when you need to minimize beam displacement With greater than 10J/cm2 damage threshold, CVI's ultra thin plate beamsplitters are especially useful for high energy applications where cemented beamsplitter cubes may fail. Plate beamsplitters are thinner and lighter than cube beamsplitters. This may be required in some applications where there is not enough room for a cube. Minimizes displacement of transmitted beam Damage Threshold: cw: 1 MW/cm2 @ 1064 nm Pulsed: 10 J/cm2, 20 nsec, 20 Hz @ 1064 nm User specified reflectance from 1 percent to 99.5 percent User specified CWL from 244nm to 1550nm Standard 1.25" OD ring mount prevents breakage and fits easily into 1.25" lens or ring mount

Laser Line Non-polarizing Plate Beamsplitter -BSNP
The BSNP all dielectric 45 degree non-polarizing plate beamsplitters divide laser energy while preserving input polarization in reflected and transmitted beams. Choose from three aperture dimensions and a variety of laser wavelengths. With 3J/cm2 damage threshold, CVI's nonpolarizing plate beamsplitters are especially useful for high energy applications where cemented beamsplitter cubes may fail. Plate beamsplitters are thinner and lighter than cube beamsplitters. This may be required in some applications where there is not enough room for a cube. 50% reflectance \|Rs-RP\|< 5% Damage threshold > 3 J/cm2 Cement free Laser Line Wavelengths: 532nm-633nm-1064nm-1550nm

Laser Line Non-Polarizing Cube Beamsplitter -NCBS
Non-polarizing cube beamsplitters divide a single wavelength into nearly equal reflected and transmitted beams. The NCBS serie nonpolarizing coating reduces \|Rs-Rp\| and \|Ts-Tp\| from 35% to less than 5% for popular visible and near infrared laser wavelengths. 3-axis control prism mount available Designed for low power applications Optical Material: BK7 glass Transmitted Wavefront Error: λ/4 at 633 nm Laser Line Wavelengths: 488-515nm/532nm/633nm/780nm/830nm/1064nm

Optical Isolators 248nm-1550nm - OI
The OIO high energy optical isolator utilizes a multiple order waveplate (QWPM) and an optically contacted cube beamsplitter (PBSO), while the standard OI isolator uses a cemented beamsplitter cube (PBS). This alternative to a Faraday isolator achieves passive isolation of linearly polarized light by combining a cube polarizer and a 1/4-waveplate. Passive isolation of linearly polarized light Custom isolators available for other wavelengths UV to NIR Isolation: 20dB or 35dB Clear Aperture: 6.35 and 12.7mm Damage Threshold: 20 dB OI: 1 J/cm2, 20 nsec, 20 Hz @ 1064 nm 20 dB OIO: 5 J/cm2, 20 nsec, 20 Hz @ 1064 nm 35 dB: 100 mJ/cm2, 20 nsec, 20 Hz @ 1064 nm Optical Material: OI: Crystal quartz and BK7 OIO: Crystal quartz and Fused Silica

High-Energy Laser Polarizing CubeBeamsplitter PBSO
PBSO - High-Energy Laser-Line Polarizing Cube Beamsplitters coatings are designed for maximum extinction ratio (T p/T s). Those applications requiring maximum transmission efficiency, Tp > 98.0% can be achieved by slightly reducing the extinction ratio. Optically contacted Reflected and transmitted beams separated by 90° Contact us for other wavelengths from UV to near IR Extinction Ratio: λ=532 nm or 1064 nm: T p/T s>500:1/λ < 500 nm: T p/T s>250:1 Damage Threshold: cw: 1 MW/cm2 @ 1064 nm Pulsed: 5 J/cm2, 20 nsec, 20 Hz @ 1064 nm

Pellicle Beamsplitters - PLB
PLB Pellicle beamsplitters is a high tensile strength elastic membrane, stretched like a drumhead over a black anodized flat metal frame, and bonded to the precision lapped edge. There is virtually no ghosting. Chromatic and spherical aberration are negligible in converging beams. Low absorption is exhibited across the visible spectrum. Nitrocellulose material does exhibit some absorption in the ultraviolet and in the infrared beyond 2 μm. There is no change in the optical path. Available uncoated or coated Pellicle Thickness: ≤2 μm Wavelength range: 400-700nm & 633nm

Laser Line Polarizing Cube Beamsplitters PBS
Serie PBS: Polarizing beamsplitter cubes are used to split a laser beam into two orthogonally polarized components; p-polarization is transmitted straight through while s-polarization is reflected at 90°. PBS polarizer cubes utilize a durable all-dielectric coating at the internal cemented interface, and all external surfaces are antireflection coated for the wavelength specified. Improved 1000:1 extinction ration Damage Threshold: cw: 100 W/cm2 @ 515 nm Pulsed: 1 J/cm2, 20 ns, 20 Hz @ 1064 nm Projection systems, signal monitoring, color separation and recombination, optical coupling Fewer ghost images than plate beamsplitters Optical isolation (in combination with waveplate) Continuously variable beamsplitter (In combination with waveplate)

Sampling Beamsplitter Cubes - SBC
Known as a leaky polarizing beamsplitter, the SBC Sampling Beamsplitter Cube is both a fixed ratio beamsplitter while also maintaining a controlled amount of P polarization to "leak through" into the reflected beam Optical disk testing Polarization sensitive beamsplitter cubes Four standard beamsplitting ratios available

Low-Dispersion Polarizers 400-800nm TFPK
The TFPK serie is low-dispersion polarizing beamsplitters to satisfy requirements for very-high-power, short-pulse lasers. These optics are ideal for intracavity use in femtosecond regenerative amplifiers. The main emphasis is on linear phase characteristics. Ideal for intracavity use in femtosecond regenerative amplifiers Low group-velocity dispersion for ultrashort femtosecond applications Custom wavelengths from 250–1550 Substrate material: UV grade fused silica or BK7 glass High reflector, metal and partial reflector coatings available

Ultrafast Isosceles Brewster prisms IB
Isosceles Brewster angle prisms are designed specifically for intracavity laser applications, usually for specific wavelengths or wavelength ranges. The dispersion of these prisms is less than that of an equilaterial prism, but the beam enters and exits the prism near Brewster's angle, minimizing intracavity losses. GVD correction prisms for femtosecond systems Two sides (AB) optically polished Extremely small loss for p-polarized beam Damage Threshold: Suprasil 1: 15 J/cm2, 20 nsec, 20 Hz @ 1064 nm Fused Silica: 15 J/cm2, 20 nsec, 20 Hz @ 1064 nm Optical Material: Suprasil 1, UV-grade fused silica or N-SF10 glass

UV Laser-Line Polarizing Cube Beamsplitters UPBS
Serie UPBS: UV polarizing cube beamsplitters are made from UV grade fused silica to improve UV performance. Fused-silica cube polarizers for doubled argon, tripled Nd:YAG, quadrupled Nd:YAG, and UV excimer lasers 100:1 extinction ratio Transmission efficiency > 90% For use with fluences less than 10 mJ/cm2 Contact us for 193 nm polarizers Damage Threshold: cw: 10 W/cm2 @ 266 nm Pulsed: 10 mJ/cm2, 20 nsec, 20 Hz @ 266 nm Wavelengths: 248-257-266-308-351-355nm

Short Wave Pass Dichroic Beamsplitters SWP
Short wave pass dichroic beamsplitters exhibit high transmission for a short wavelength band, high damage thresholds, and high reflectivity for a longer band of wavelengths. Fluorescence microscopy Optical parametric generation Custome-specified reflected and transmitted wavelengths To maximize efficiency, reflect 45° s-polarization and transmit 45° p-polarization Damage Threshold: cw; 1 MW/cm2 @ 1064 nm Pulsed: 10 J/cm2, 20 nsec, 20 Hz @ 1064 nm

Standard Plate Beamsplitters UV-VIS-NIR
Standard plate beamsplitter are an economical option for separating a beam into two orthogonal paths. Standard plate beamsplitter are offered in ultra-Violet, Visible and near-Infrared wavelengths. Angle of Incidence: 45° round and square shape Material: Optical crown glass or Optical quality synthetic fused silica