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TOPAG

Beam shaper [GTH]

GTH-3.6-1.75

  • - Square Top Hat
  • - Efficiency > 95 %
  • - Top Hat width : 50 μm - 1500 μm
Parameters
Input beam (at position of shaper) TEM00, Ø 3.6mm +/- 0.15mm (@1/e²)
Necessary free aperture always 2.2x beam diameter (@1/e²), along total beam path
Full fan angle of Top-Hat generation 1.75mrad
Achievable Top Hat size @ 1/e² 5x diffraction limited @1064nm, 10x diffraction limited @ 532nm
Efficiency > 95% of input energy within Top Hat profile
Homogeneity ±5% (rel. to average intensity within Top Hat)
Damage threshold 3J/cm² @ 532nm, 10ns
Material LF5
Recommended wavelength range 400…1550nm
Dimensions glass substrate Ø (12.0 -0.1) mm/thickness (2.0 +/- 0.1)mm
Clear aperture of lens Ø 11.0mm
AR/AR coating @ 1064/1030nm, 532/515nm, VIS (400-700nm) or IR (700-1300nm), others on request
Beam shaper is mounted in ring holder, Ø 25.4mm
Accessories: adjustable x-y holder (990-0050), beam expander

GTH-4-2.2

  • - Square Top Hat
  • - Efficiency > 95 %
  • - Top Hat width : 80 μm - 2000 μm
Parameters
Input beam (at position of shaper) TEM00, Ø 4.0mm ±0.15mm (@1/e²)
Necessary free aperture always 2.2x beam diameter (@1/e²), along total beam path
Full fan angle of Top-Hat generation 2.2mrad
Achievable Top Hat size @ 1/e² 6.5x diffraction limited @1064nm, 13x diffraction limited @ 532nm
Efficiency > 95% of input energy within Top Hat profile
Homogeneity ±5 % (rel. to average intensity within Top Hat)
Damage threshold 3J/cm² @ 532nm, 10ns
Material LF5
Recommended wavelength range 400…1550nm
Dimensions glass substrate Ø (12.0 -0.1) mm/thickness (4.0 ±0.1)mm
Clear aperture of lens Ø 11.0mm
AR/AR coating @ 1064/1030nm, 532/515nm, VIS (400-700nm) or IR (700-1300nm), others on request
Beam shaper is mounted in ring holder, Ø 25.4mm
Accessories: adjustable x-y holder (990-0050), beam expander

GTH-5-250-4

  • - Square Top Hat
  • - Efficiency > 95 %
  • - Top Hat width : 0.5 mm- several cm
Parameters
Input beam TEM00, Ø 5.0mm ±0.15mm (@1/e²)
Working distance 250mm (adjustable with additional lens)
Top Hat size @ 250mm working distance 4 x 4mm² (adjustable)
Necessary free aperture always 2.2x beam diameter (@1/e²), along total beam path
Efficiency > 95% of input energy within Top Hat profile
Homogenity ±5% (rel. to average intensity within Top Hat)
Damage threshhold 3J/cm² @532nm, 10ns
Material LF5
Recommended wavelength range 400…1550nm
Dimensions Ø (12.0 -0.1)mm, thickness (4.0 ±0.1)mm
Standard AR/AR coatings 1064/1030nm, 532/515nm, VIS (400-700nm) or IR (700-1300nm), others on request
Beam shaper is mounted in ring holder, Ø 25.4mm
Accessories: Adjustment mounts HSF01 or HSF02

Beam shaper [FBS]

FBS

  • - Square Top Hat
  • - Efficiency > 95 %
  • - Top Hat dia. : several μm - 150 μm
Parameters
Efficiency > 95% of input energy within Top Hat profile
Transmission > 99%, incl. AR/AR coating
Material UV Fused Silica
Dimensions dia. 25.4mm/thickness 3mm
Damage threshold 4J/cm² @ 532nm and 10ns
Select beam diameter d (@1/e2) 1.0, 1.5 … 10.0mm
Tolerance for input beam diameter < ±10%
Select wavelength/AR coating (standard) 1064/1030nm, 532/515nm, 355/343nm
Others sizes and wavelengths on request
Model No: FBS-beam diameter-wavelength

FBS2

  • - Square Top Hat
  • - Improved DOF
  • - Top Hat dia. : several μm - 150 μm
Parameters
Efficiency > 90% of input energy within Top Hat profile
Transmission > 99%, incl. AR/AR coating
Material UV Fused Silica
Dimensions dia. 25.4mm/thickness 3mm
Damage threshold 4J/cm² @ 532nm and 10ns
Select beam diameter d (@1/e2) 1.0, 1.5 … 10.0mm
Tolerance for input beam diameter < ±10%
Select wavelength/AR coating (standard) 1064/1030nm, 532/515nm, 355/343nm
Others sizes and wavelengths on request
Model No: FBS2-beam diameter-wavelength

FBSR

  • - Square Top Hat
  • - Efficiency > 95 %
  • - Top Hat dia. : several μm - 150 μm
Parameters
Efficiency > 95% of input energy within Top Hat profile
Transmission > 99%, incl. AR/AR coating
Material UV Fused Silica
Dimensions dia. 25.4mm/thickness 3mm
Damage threshold 4J/cm² @ 532nm and 10ns
Select beam diameter d (@1/e2) 1.0, 1.5 … 10.0mm
Tolerance for input beam diameter < ±10%
Select wavelength/AR coating (standard) 1064/1030nm, 532/515nm, 355/343nm
Others sizes and wavelengths on request
Model No: FBSR-beam diameter-wavelength

Beam splitter

1-dimensional

Model Efficiency Product sheet
DBS-1X2
80
DBS-1X3
84
DBS-1X5
71
DBS-1X6
80
DBS-1X7
74
DBS-1X8
70
DBS-1X9
73

2-dimensional

Model Efficiency Product sheet
DBS-2X2
66
DBS-3X3
73
DBS-3X5
75
DBS-4X4
74
DBS-5X5
74
DBS-8X8
75
DBS-5/4
72
DBS-7/6
75
DBS-8/4
70

Mirrors for ultra fast

Wavelength range 190-3000 nm
Dimension 5-200 mm
Shape Round, rectangular, eliptical
Surface quality, S-D 10-5*
Surface flatness, P-V <λ/10 @ 632.8 nm*
Reflectance >99.8%
LIDT >20 J/cm² @ 1064 nm, 10 ns, 10 Hz

*depending on size