PRODUCTS |  LASER LINE TUNABLE FILTER

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The incomparable efficiency and out-of-band rejection offered by our unique optical filtering technology are ideal for tunable excitation sources in fluorescence and Raman spectroscopy.

 

CHARACTERISTICS

  • Efficiency up to 60%

  • High out-of-band rejection

  • Wide tuning range

  • Free-space or fiber coupled

  • User-friendly control software

  • Up to 20W input power

  • Options & accessories available

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APPLICATIONS

THIN FILMS OF GaP

Spectral dependence of the Faraday MO effect with temperature dependence measurements were performed on a semiconductor 2 µm epilayer (GaP) grown with embedded metallic ferromagnetic nanoclusters (MnP).

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PHOTOVOLTAIC

IMA provides spectrally and spatially resolved images. It was successfully used to investigate spatial distribution of opto-electronic properties of CIS, CIGS, GaAs and perovskite solar cells.

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SWNT BREATHING MODES

Two narrowband tunable filters for resonance Raman spectroscopy (RRS) were designed to study the radial breathing modes of carbon nanotubes.

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PRODUCT SPECIFICATIONS 

  CONTRAST VIS CONTRAST SWIR CONTRAST X

SPECTRAL RANGE
(extended and reduced spectral ranges also available**)
 

400 - 1000 nm 1000 - 2300 nm
(2500 nm optional*)
where X represents
a custom spectral range
BANDWIDTH (FWHM)  1.0 nm - 2.5 nm 2.0 nm - 5 nm High resolution: 
0.15 nm - 0.9 nm
OUT OF BAND REJECTION*** < -60 dB @ ± 40 nm < -60 dB @ ± 80 nm
(measured up to 1.7 µm)
depends on the bandwidth
MAXIMUM INPUT AVERAGE POWER 
HP4: UP TO 4W 
HP8: UP TO 8W 
HP20: UP TO 20W
HP8, HP20 HP8, HP20 HP4
PEAK EFFICIENCY  typically around 65%
OPTICAL DENSITY (OD)  > OD6 (measured at 1064 nm) TBD
DAMAGE THRESHOLD  < 5 GW/cm2 peak power @ 1064 nm, 8 ns
INPUT APERTURE DIAMETER  5 mm
INPUT BEAM DIVERGENCE REQUIREMENT  < 0.45 mrad
WAVELENGTH RESOLUTION
(RELATIVE) 
FWHM / 8
POINTING STABILITY  < 1mm lateral displacement @ 1 m from filter
SCANNING SPEED 
(MULTIPLE STEP) 

35 ms stabilization time for 0.1 nm step,

45 ms stabilization time for 0.2 nm step,

55 ms stabilization time for 1 nm step,

60 ms stabilization time for 2 nm step,

65 ms stabilization time for 5 nm step,

70 ms stabilization time for 10 nm step,

OPERATING SYSTEM (OS) 

Windows Vista (32 & 64 bits)

Windows 7 (32 & 64 bits)

Windows 8 (32 & 64 bits) 

SOFTWARE  PHySpec™ included (SDK available)
COMPUTER CONNECTION  USB 2.0 (compatible 1.1)
DIMENSIONS (L x W x H) 

9'' x 6.3'' x 6.7''

23 cm x 16 cm x 17 cm

OPERATING TEMPERATURE  5 to 40°C
STORAGE TEMPERATURE  0 to 50°C
POWER SUPPLY  100 - 240 V, 50 - 60 Hz
OPTIONS & ACCESSORIES
ENHANCED SWIR N/A * up to 2500 nm
FIBEROPTIC INPUT/OUTPUT  An X-Y-Z translation adjustment allows coupling optimization. 
HARMONIC FILTER  Blocks the harmonics coming from the region
400-500 nm
Blocks the harmonics coming from the region
500-10
00 nm and/or 1000-1250 nm
Filter chosen according to spectral range
ALIGNMENT KIT (FOR FREE SPACE)  In free-space (input/output) configuration, the alignment kit allows the user to rapidly find the correct alignment
** EXTENDED AND REDUCED SPECTRAL RANGES ALSO AVAILABLE   e.g.: 500-2000 nm, 400-1700 nm, 500-900 nm, 500-650 nm, 650-1000 nm,  1000-1700 nm, 1700-2300 nm, etc.

NOTE: Photon etc. reserves the right to change the design and specification of the product at any time, without notice.

***  To reach this specification in free space configuration, it is required to couple the filter with Photon etc's background suppressor accessory. Contact us for more details.

PUBLICATIONS


WHITE PAPER - WIDELY TUNABLE FILTER
TECHNOLOGY & MEASUREMENT OF CRITICAL SPECIFICATIONS
By Daniel Gagnon and Laura-Isabelle Dion-Bertrand

The out-of-band rejection and the optical density (OD) are two critical specifications of tunable filters. Unfortunately these properties are often misinterpreted and their definitions tend to differ from one manufacturer to another. End users need to be careful when looking over the specifications of a filter. Also, the measurement of these properties for customers can be laborious. One needs to have sensitive instruments with a high dynamic range, a wide spectral range and a high power source. In this white paper, clear and rigorous definitions of the out-of-band rejection and the OD of widely tunable filters are presented, and the steps and instrumentation needed to accurately measure those specifications are exposed.

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RELATED PRODUCT

TUNABLE LASER SOURCE

Our turn-key sources unite the flexibility of supercontinuum light sources to the incomparable out-of-band rejection of our optical filters, allowing easy and precise sample excitation or instrument calibration.

VIDEO

Presentation of Photon etc's LLTF Contrast

The incomparable efficiency and out-of-band rejection offered by our unique optical filtering technology are ideal for tunable excitation sources in fluorescence and Raman spectroscopy.