Del Mar Photonics

SPIE Defense, Security, and Sensing
13 - 17 April 2009
Orlando World Center Marriott Resort & Convention Center
Orlando, FL United States

Exhibitor: Del Mar Photonics, Inc.

Del Mar Photonics, Inc.
San Diego, CA
SPIE Corporate Member
Booth Number: 3009
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Company Description
New Product: Femtosecond/Raman ready AFM Heron for AFM/STM/NSOM for nano applications.

Femtosecond solid state and fiber lasers. Applications including manufacturing fiber sensors, waveguides, microfluidics, glass MEMS, FBG inscription, 3D optical fabrication, optical memory, plasma generation, stand-off detection using LIBS, generation of THz radiation, sensing, spectroscopy, microscopy, imaging. Narrow line width lasers and spectrometers for high-resolution applications. Components division provides optics made of fused silica, fluorides, sapphire, zinc selenide and germanium. Contact: Del Mar Photonics Sales Team, sales@www.alaindidierweill.com.
 
www.www.alaindidierweill.com
New Products To Be Announced at SPIE Defense, Security, and Sensing

Del Mar Photonics offer new plasmonic nano-materials for Raman spectroscopy for security and sensing applications
New enhancing plasmonic nano-materials for Single Molecule Raman spectroscopy (SMRS) have high reproducibility, stability and durability. SMRS substrates allow trace detection of explosives with sensitivity down to single molecules. Plasmonic nano-materials are characterized using HeroN AFM - NanoRaman  System system
 

April 8, 2009: Opto-mechanical design and fabrication

Del Mar Photonics collaborate with Quartus Engineering team to offer full service in opto-mechanical design and fabrication. Many opto-mechanical systems required to meet tight optical spacing, tip/tilt, and centration specs to achieve system boresight and beam/image quality. Active systems incorporate the focus, pointing, etc. adjustments at the resolution and accuracy required of the deployed system. Structural and thermal analyses allows to verify mechanical integrity and performance under aggressive conditions, including high g-loading, severe vibrations, extreme temperature variations typical of military aerospace platforms, including directed energy weapons, laser rangefinder/designator/illuminator, communications, and high resolution surveillance systems. More

 

April 6, 2009: Compact pulsed Nd:YAG lasers

Del Mar Photonics offers pulsed Nd:YAG lasers with excellent beam quality, high energy/efficiency and possibility of efficient pulse rep rate changes with no significant degradation of the beam parameters.
Ring cavity design of the LQ529 oscillator ensures perfect balance of energy, beam quality and reliability.
Supplementing the basic model with a one璸ass amplifier allows to provide up to 1500mJ output energy in the fundamental (model LQ929) while preserving all the advantages of the LQ529 model.
Applications include nonlinear optics, spectroscopy, velocimetry, material processing, mobile laser systems.
Model LQ929 is an ideal pump for second stage amplifier for terawatt Ti:Sa lasers

 

April 6, 2009: Hydrogen Thyratrons

Hydrogen Thyratrons are used in such devices as radars with different power levels, high-power pulsed lasers and many others. Sophisticated design and high quality ceramic-metal envelope determines long lifetime and very accurate and reliable operation of thyratrons under wide range of environmental conditions.
Applications:
- radars
- pulsed lasers power supplies
- medical apparatus
- electrophysical instrumentation

Del Mar Photonics offer ceramic-metal thyratrons with hydrogen and deuterium filling. Most of the thyratrons have tetrode structure which permits to achieve a high stability of discharge development and an enhanced switching speed. Use of selective gas getters in combination with special vacuum production process ensures a long operating lifetime.
 

 

March 25, 2009: JAWS multi-terawatt Cr:forsterite laser

JAWS is a terawatt femtosecond chromium-doped forsterite (Cr4+:Mg2SiO4) laser system, based on an oscillator, regenerative amplifier and four stages of multi-pass amplifiers. The system can generate 80 fs pulses at 1240 nm wavelength, with pulse energies of 85 mJ giving a peak power range of 1-2 TW at 10 Hz and is assembled on a single 1.2?.0 m optical table. Cr:forsterite is directly pumped at 1064 nm removing the need for more expensive green pump lasers. Fundamental, 2nd and 3rd harmonics of Cr:F laser are convenient for a number of applications in time-resolved spectroscopy, telecommunications, photochemistry, photobiology, plasma physics, VUV, x-ray generation, and material processing. Wavelength range is also well outside the visible and shows significantly less pulse broadening in atmosphere than 800 nm.
Jaws multi-terawatt Cr:forsterite laser

 

March 25, 2009: Vacuum viewports

Vacuum viewport
Del Mar Photonics viewports are manufactured using advanced techniques for control of special and critical processes, including 100 percent helium leak testing and x-ray measurements for metallization control. Windows Materials include: Fused silica, Quartz , Sapphire , MgF2, BaF2, CaF2, ZnSe, ZnS, Ge, Si, Pyrex. Standard Viewing diameters from .55" to 1.94 ".

A range of custom coatings can applied - which include
- Single QWOT
- Broad Band AR
- V coatings
- ITO
- DLC (Diamond like coating)
more details

 

March 25, 2009: Pismo Pulse Picker

The Pismo pulse picker system comprises of a control and power supply unit (CPSU) and a Pockels cell with a HV driver.

The CPSU realizes the following functions: synchronization to a pulse train, amplifier pump laser start (flash-lamp or diode pumped with acoustooptical or electrooptical Q-switch) synchronously to the picked pulses, oscilloscope synchronization, streak-camera synchronization and other
equipment that requires synching to a pulse train. The CPSU has 5 independent delay channels that are rigidly fixed to a fs pulse train (jitter <200 ps). One CPSU can manage up to 4 Pockels cells. The Pockels cell consists of a HV pulse driver and an EO crystal. The HV driver produces a bell-shaped HV pulse with duration of <10 ns at level 10 % from maximum (rise/fall time <4 ns). This pulse is then supplied to the DKDP electrooptical crystal. Typical Specifications

 

February 17, 2009: Ultrafast lasers portfolio

Del Mar Photonics offers industry's most extensive portfolio of ultrafast lasers
We offer femtosecond oscillators and amplifiers based on Ti:Sapphire (Trestles, Teahupoo, Cortes), Cr:Forsterite (Mavericks, Jaws), Yb- Solid State (Tourmaline-SS), Er-doped fiber (Tamarack, Buccaneers) and Yb- doped fiber (Tourmaline). Ultrashort solid state and fiber laser sources generate coherent radiation from UV to IR for variety of applications including manufacturing of miniaturized fiber sensors, micromachining of waveguides, microfluidic devices, glass MEMS, inscription of FBG fiber Bragg gratings, stand-off detection using filament-induced breakdown spectroscopy LIBS, optical sensing, plasma generation, 3D optical fabrication, optical memory recording, generation of wide terahertz THz radiation, spectroscopy, microscopy and imaging.

Exhibitor Press Release
February 19, 2009: Ti:Sapphire lasers for THz applications
Del Mar Photonics Ti:Sapphire laser helps Physical Optics Corporation in Phase I and Phase II Army awards.

To address the U.S. Army need for new techniques for detecting concealed explosives, Physical Optics Corporation (POC) proposes a new 100 m standoff Terahertz Spectroscopic Radar (TSR) which uses terahertz (THz) molecular spectroscopy to detect the unique THz absorption wavelength signature of an explosive's outgassed material. This design exhibits the most decisive identification pattern of explosives, whose molecular vibration modes lie in the THz region. To detect these specific explosive identifiers, TSR's innovative
design analyzes the retroreflected THz signals from targets rather than the transmitted THz signals common to the conventional spectroscopy performed inside a laboratory. The TSR design combines a wideband (1-20 THz) transmitter and a
receiver spectrometer, built on a mobile station. Using a high-quality submillimeter wave radar to send high rep-rate (~100 MHz) THz probing pulses, POC system can identify not only the explosive but also the location of the target with spatial resolution better than 0.03 mm since our radar pulsewidth is faster than 100 femtosecond (fs). The average power of our source is exceptionally high (~100 W) compared with any other THz sources. In Phase I POC buill a preliminary TSR prototype, while Phase II will focus on a full engineering prototype.
Ti:Sapphire laser for THz spectroscopic radar
.
Latest results on using femtosecond lasers for THZ generation will be presented by POC at SPIE DSS 2009.
Del Mar Photonics, Inc.
4119 Twilight Ridge
San Diego, CA 92130
Contact
Telephone: 858/876-3133
Fax: 858/630-2376
Sales Email: sales@www.alaindidierweill.com
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