Femtokits for Third Harmonic Generation of Ti:Sapphire Laser

Our Femtokits are designed for efficient third harmonic generation (THG) of femtosecond Ti:Sapphire laser. They consist of a set of optical components and nonlinear frequency conversion crystals carefully chosen to achieve the best configuration for frequency tripling for different ranges of laser pulse durations of fundamental harmonic.

 

Femtokits for THG can also be supplied as a complete solution with opto-mechanics required for quick set up (please have a look at mounted Femtokits in the product list below).

 

Reference:
up to 50% SHG conversion efficiency was achieved in 0.5 mm SHG BBO crystal with Ti:Sapphire Super Spitfire laser operating at 1 kHz, 130fs, 20-100 µJ @800nm and effective beam diameter 0.9 mm. THG efficiency reached up to 8% from fundamental using FKE-800-100 Femtokit.

 

Basic Femtokit FK Series includes following components mounted into 1 inch ring holders:

  • Type 1 second harmonic generation (SHG) BBO crystal, P-coated @ 400-800 nm
  • Type 1 third harmonic generation (THG) BBO crystal, P-coated @ 400-800/266 nm
  • Calcite plate for group velocity delay compensation, AR coated @ 800+400 nm
  • Zero order waveplate, λ/2@800+λ@400 nm, optically contacted, AR coated @ 800+400 nm 

 

Extended Femtokit FKE Series includes following components mounted into 1 inch holders:

  • Type 1 2nd harmonic generation (SHG) BBO crystal, P-coated @ 400-800 nm
  • Type 1 3rd harmonic generation (THG) BBO crystal, P-coated @ 400-800/266 nm
  • Calcite plate for group velocity delay compensation, AR coated @ 800+400 nm
  • Zero order waveplate, optically contacted, λ/2@800+λ@400 nm, AR coated @ 800+400 nm
  • Zero order waveplate, optically contacted, AR coated @ 800 nm
  • Harmonic Separator, HR @ 266 nm and HT @ 800+400 nm at AOI=45 deg
  • Harmonic Separator, HR @ 400 nm and HT @ 800 nm at AOI=45 deg
  • Laser mirror, HR @ 800 nm at AOI=45 deg

 

The thickness of SHG BBO crystal, THG BBO crystal and group delay compensation plate is different in each kit and is optimal for certain pulse duration of fundamental harmonic to avoid harmonic pulses broadening.

Delivery

Estimated delivery time: from 4 - 5 days

Fundamental pulse duration
Crystal aperture

Basic FemtoKit FK Series

Code Fundamental pulse duration Crystal aperture Price Delivery Add to cart
FK-800-200 150-200 fsec 6 x 6 mm 1967 $ Request To cart
FK-800-130 120-150 fsec 6 x 6 mm 2024 $ Request To cart
FK-800-100 70-120 fsec 6 x 6 mm 2024 $ Request To cart
FK-800-050 30-70 fsec 6 x 6 mm 2608 $ Request To cart
FK-800-050-10 30-70 fsec 10 x 10 mm 3295 $ Request To cart
FK-800-020 15-30 fsec 6 x 6 mm 2691 $ Request To cart

Basic Mounted FemtoKit FK Series (includes optical mounts as shown in the photos)

Code Fundamental pulse duration Crystal aperture Price Delivery Add to cart
FK-800-200-M 150-200 fsec 6 x 6 mm 3057 $ Request To cart
FK-800-130-M 120-150 fsec 6 x 6 mm 3114 $ Request To cart
FK-800-100-M 70-120 fsec 6 x 6 mm 3114 $ Request To cart
FK-800-050-M 30-70 fsec 6 x 6 mm 3699 $ Request To cart
FK-800-020-M 15-30 fsec 6 x 6 mm 3781 $ Request To cart

Extended FemtoKit FKE Series

Code Fundamental pulse duration Crystal aperture Price Delivery Add to cart
FKE-800-200 150-200 fsec 6 x 6 mm 2762 $ Request To cart
FKE-800-130 120-150 fsec 6 x 6 mm 2820 $ Request To cart
FKE-800-100 70-120 fsec 6 x 6 mm 2820 $ Request To cart
FKE-800-050 30-70 fsec 6 x 6 mm 3404 $ Request To cart
FKE-800-020 15-30 fsec 6 x 6 mm 3487 $ Request To cart

Extended Mounted Femtokit FKE Series (includes optical mounts as shown in the photos)

Code Fundamental pulse duration Crystal aperture Price Delivery Add to cart
FKE-800-200-M 150-200 fsec 6 x 6 mm 4740 $ Request To cart
FKE-800-130-M 120-150 fsec 6 x 6 mm 4798 $ Request To cart
FKE-800-100-M 70-120 fsec 6 x 6 mm 4798 $ Request To cart
FKE-800-050-M 30-70 fsec 6 x 6 mm 5382 $ Request To cart
FKE-800-020-M 15-30 fsec 6 x 6 mm 5465 $ Request To cart

Non-standard kits with larger apertures of BBO crystals and thicknesses optimal for other pulse durations are available on request.

Delicious

Basic Femtokit Opto-Mechanics

 

840-0199
Positioning Mount for Nonlinear Crystal Housing (for Calcite Plate and BBO crystals)
3 pcs.
840-0180-A1
Polarizer Holder (for Waveplate)
1 pc.
810-0005-02
Aluminium Optical Rail (270 nm)
1 pc.
810-0007-06
Aluminium Rail Carrier
4 pcs.
 
Standard Rod (for H=111-136 mm) with M4 threads
4 pcs.
820-0050-02
Rod Holder
4 pcs.
820-0280-01
Screws
4 pcs.

 

Extended Femtokit Opto-Mechanics

 

840-0199
Positioning Mount for Nonlinear Crystal Housing (for Calcite Plate and BBO crystals)
3 pcs.
840-0180-A1
Polarizer Holder (for Waveplate)
2 pc.
840-0193
Kinematic Beamsplitter Mount
2 pcs.
840-0155-01
Flipping Mirror Mount
1 pc.
810-0005-04
Aluminium Optical Rail (470 nm)
1 pc.
810-0007-06
Aluminium Rail Carrier
8 pcs.
 
Standard Rod (for H=111-136 mm) with M4 threads
5 pcs.
820-0010-02
Standard Rod (for H=111-136 mm) with M6 threads
3 pcs.
820-0050-02
Rod Holder
8 pcs.
840-0116A
Adapter for Beamsplitter at 45 Deg
2 pcs.
840-0115
Adapter for Mirror at 45 Deg
1 pc.
820-0280-01
Screws
4 pcs.
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