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THORLABS OCT-LK Series, User Manual

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THORLABS OCT-LK Series User Manual Download Page 37

OCTP Series Scanner 

Chapter 8: Specifications

 

Page 32 

MTN003971 

8.1.  Reflectivity Scanning Mirror 

The OCTP series user-customizable scanners are equipped with a semitransparent galvo mirror to enable video 

camera imaging.* 

 

Figure 34   Reflectivity of Scanning Mirror 

8.2.  Transmission Unscanned Optional Port 

 

Figure 35   Transmission of Unscanned Optional Port 

*In systems delivered prior to February 2017 a coating with different characteristics was used. For further 

information about their performance, please contact Thorlabs’ OCT support (see Chapter 11). 

90

95

100

800

900

1000

1100

1200

1300

1400

1500

Reflectivity

(%

)

Wavelength (nm)

OCTP Mirror 45°

S

‐

Pol.

Unpolarized
P

‐

Pol.

0

10

20

30

450

500

550

600

650

700

Transmission (%

)

Wavelength (nm)

Transmission in VIS 

S

‐

Pol.

Unpolarized
P

‐

Pol.

Summary of Contents for OCT-LK Series

Page 1: ...OCTP Series and OCT LKx User Customizable Scanner and Scan Lens Kits User Manual...

Page 2: ......

Page 3: ...Original User Manual not translated...

Page 4: ...s on Metric OCTP Scan Cube Module 11 3 2 3 Mounting to Thorlabs OCT STAND 11 3 3 Compatibility between Scanner and Base Units 12 Chapter 4 Installation 13 4 1 OCTP Mounting 14 4 2 OCTP Connections 15...

Page 5: ...2 Non Warranty Repairs 33 9 3 Warranty Exclusions 33 Chapter 10 Regulatory 34 10 1 Waste Treatment is Your Own Responsibility 34 10 2 Ecological Background 34 Chapter 11 Thorlabs OCT Support Contact...

Page 6: ...Description Direct Current Alternating Current Both Direct and Alternating Current Earth Ground Terminal Protective Conductor Terminal Frame or Chassis Terminal Equipotentiality On Supply Off Supply I...

Page 7: ...m packing inserts Please contact Thorlabs OCT support see Chapter 11 for replacement packaging if the original packaging has been lost LASER RADIATION WARNING When a light source e g SLD laser is bein...

Page 8: ...e optical fiber patch cable Ensure that the connection is tight and keep the fiber as straight as possible without placing it under tension It is also advisable to check the fiber when making other ad...

Page 9: ...egree of experimental flexibility The major components of the scanner illustrated in Figure 1 below include a fiber collimation module optical beamsplitter module reference arm module and an OCT scan...

Page 10: ...tor focal lengths although the clear aperture of the scanner set is limited to 6 mm 3 1 2 Optical Beamsplitter Module not for OCTP NR Figure 3 Optical Beam Splitter Module The optical beamsplitter mod...

Page 11: ...stments can be performed by loosening the top cage plate or the variable lens tube Fine adjustments of the reference length can be performed by moving the retro reflector 2 mm total range of 4 mm for...

Page 12: ...for information regarding the pin configuration Should the user wish to view the direct non descanned output of the objective i e by passing the primary scan mirror transmitting the visual wavelength...

Page 13: ...LSM03 LSM03 BB LSM04 or LSM04 BB and a matched sample illumination light conductor Figure 6 Objective Holder for OCT LKx Scan Lens Kits or M25 Threaded Objectives Alternatively another brass plate wi...

Page 14: ...nging the probe configuration data in the software package ThorImage OCT The length of the reference arm must be aligned to match the optical path in the sample arm as well This is performed automatic...

Page 15: ...drawings shown below depict several threaded holes that can be used to secure the scanner to an optical breadboard or an application specific mount The tap depth is twice the diameter 3 2 1 Threaded H...

Page 16: ...s in a Metric OCTP Scan Cube Module 3 2 3 Mounting to Thorlabs OCT STAND The OCTP ships with a mounting adapter and a dovetail mount as shown in Error Reference source not found These accessories allo...

Page 17: ...ully compatible with all Thorlabs OCT base units of the Callisto Ganymede and Telesto series The OCTP NR scanner is intended to be used with the Vega series base units The table below gives a short ov...

Page 18: ...hould be securely mounted to an optical table or breadboard with minimal vibrations We recommend mounting the OCTP PS in a Thorlabs OCT STAND The OCTP PS is composed of a linear stage instead of the l...

Page 19: ...anner Chapter 4 Installation Page 14 MTN003971 4 1 OCTP Mounting To mount the OCTP in the OCT STAND gently slide the dovetail of the OCTP into the slide of the OCT STAND Figure 15 Mounting the OCTP in...

Page 20: ...lign the red dot of the plug to the alignment mark of the port Figure 16 Installation of the Electrical Control Connector at the OCTP Next attach the remaining plug of the electrical connection cable...

Page 21: ...ion module as shown in Figure 13 Insert the fiber tip into the center bore of the fiber connection then secure the tip by rotating the locking cap clockwise Figure 18 Installation of the Fiber at the...

Page 22: ...may cause loss of alignment The optical alignment cannot be retrieved with the standard procedure described in this manual if the scanners and or the camera are misaligned When optical alignment failu...

Page 23: ...he OCT LKx scan lens kits please use the included SM1A11 adapter to insert the alignment target Place the IR viewing card item VRC2 delivered with the system on the sample plate underneath the alignme...

Page 24: ...e shadow of the central cross The alignment is good when the four open segments of the alignment target are completely visible on the IR viewing card and the beam fills the segments identically If the...

Page 25: ...y the fiber it can simply indicate that the intensity exceeds the dynamic range of the detector If this occurs use the variable aperture to return the measurement within the usable dynamic range then...

Page 26: ...of the cage translation stage The fine adjustment of 6 mm total range of 12 7 mm can be performed by using the micrometer screw Figure 26 Fine Adjustment of Reference Arm Length OCTP top and OCTP PS...

Page 27: ...e polarization axis of the optical fiber key aligned to slow axis in the collimator All positions are marked in red In this configuration the main intensity from the sample arm is collected on Camera...

Page 28: ...ra 0 and Camera 1 overlap exactly The corresponding spectra are shown in Figure 29 on the bottom Note that a good agreement between the two spectra can be obtained several times when rotating the quar...

Page 29: ...arameters including the following Wavelength Range The optical components within the OCTP are optimized for a specific wavelength range depending upon the model For the usable wavelength range please...

Page 30: ...NR Shown below is an alternative beam geometry to the common path setup when the scanner is ordered in a configuration without reference OCTP NR The sample beam and reference beam are generated within...

Page 31: ...null and void leaving Thorlabs free of any liability 5 3 1 Realization The basic optical layout of the OCTP scanner in common path layout is illustrated below in Figure 32 Figure 32 Optical Layout of...

Page 32: ...by using the non rotating zoom housing a fine adjustment Adjustment of the reference arm length can be done in combination with adjustment of the focus height using the OCT STAND so that the focal po...

Page 33: ...MTN003971 The cage cube holding the beamsplitter ships with a port that is blocked by an end cap By removing the end cap the exposed port can be used for additional sample detection or laser illumina...

Page 34: ...and or Non Rotating Zoom Housing See 4 3 Beam is Blocked Check for Obstructions in Fiber Collimation Module and Reference Arm Module USB Cable is Loose Reconnect USB Cable PC Crashed Restart PC Other...

Page 35: ...OCTP Series Scanner Chapter 7 Certifications and Compliance Page 30 MTN003971 Chapter 7 Certifications and Compliance...

Page 36: ...10 0 mm 20 8 mm General Specifications Video Camera Color CMOS Weight of Scanner 1 kg 2 2 lbs Storage Operating Temperature 10 C to 35 C Dimensions of Imaging Module L x W x H Common Path 230 mm x 65...

Page 37: ...anned Optional Port Figure 35 Transmission of Unscanned Optional Port In systems delivered prior to February 2017 a coating with different characteristics was used For further information about their...

Page 38: ...s The stated warranty does not apply to products which are a specials modifications or customized items including custom patch cables meeting the specifications you provide b ESD sensitive items whose...

Page 39: ...roducts such as Pure OEM products that means assemblies to be built into a unit by the user e g OEM laser driver cards Components Mechanics and optics Left over parts of units disassembled by the user...

Page 40: ...upport Contact If you have a technical question or issue on Thorlabs OCT products please refer directly to the OCT Support team located in Luebeck Germany OCT Support Thorlabs GmbH Maria Goeppert Stra...

Page 41: ...Canada and South America Thorlabs Inc sales thorlabs com techsupport thorlabs com Europe Thorlabs GmbH europe thorlabs com France Thorlabs SAS sales fr thorlabs com Japan Thorlabs Japan Inc sales tho...

Page 42: ...M0009 510 787 F www thorlabs com...

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